diff --git a/monkey/common/network/test_segmentation_utils.py b/monkey/common/network/test_segmentation_utils.py
index 9dea1af19..1bb3d0484 100644
--- a/monkey/common/network/test_segmentation_utils.py
+++ b/monkey/common/network/test_segmentation_utils.py
@@ -1,30 +1,28 @@
 from common.network.network_range import CidrRange
 from common.network.segmentation_utils import get_ip_in_src_and_not_in_dst
-from monkey_island.cc.testing.IslandTestCase import IslandTestCase
 
 
-class TestSegmentationUtils(IslandTestCase):
+class TestSegmentationUtils:
     def test_get_ip_in_src_and_not_in_dst(self):
-        self.fail_if_not_testing_env()
         source = CidrRange("1.1.1.0/24")
         target = CidrRange("2.2.2.0/24")
 
         # IP not in both
-        self.assertIsNone(get_ip_in_src_and_not_in_dst(
+        assert get_ip_in_src_and_not_in_dst(
             ["3.3.3.3", "4.4.4.4"], source, target
-        ))
+        ) is None
 
         # IP not in source, in target
-        self.assertIsNone(get_ip_in_src_and_not_in_dst(
+        assert (get_ip_in_src_and_not_in_dst(
             ["2.2.2.2"], source, target
-        ))
+        )) is None
 
         # IP in source, not in target
-        self.assertIsNotNone(get_ip_in_src_and_not_in_dst(
+        assert (get_ip_in_src_and_not_in_dst(
             ["8.8.8.8", "1.1.1.1"], source, target
         ))
 
         # IP in both subnets
-        self.assertIsNone(get_ip_in_src_and_not_in_dst(
+        assert (get_ip_in_src_and_not_in_dst(
             ["8.8.8.8", "1.1.1.1"], source, source
-        ))
+        )) is None
diff --git a/monkey/monkey_island/cc/conftest.py b/monkey/monkey_island/cc/conftest.py
new file mode 100644
index 000000000..aee73ddb6
--- /dev/null
+++ b/monkey/monkey_island/cc/conftest.py
@@ -0,0 +1 @@
+from .test_common.mongomock_fixtures import *
diff --git a/monkey/monkey_island/cc/environment/test__init__.py b/monkey/monkey_island/cc/environment/test__init__.py
index 72d1abe75..c55e1b65b 100644
--- a/monkey/monkey_island/cc/environment/test__init__.py
+++ b/monkey/monkey_island/cc/environment/test__init__.py
@@ -4,7 +4,7 @@ from typing import Dict
 from unittest import TestCase
 from unittest.mock import MagicMock, patch
 
-import monkey_island.cc.testing.environment.server_config_mocks as config_mocks
+import monkey_island.cc.test_common.environment.server_config_mocks as config_mocks
 from common.utils.exceptions import (AlreadyRegisteredError, CredentialsNotRequiredError,
                                      InvalidRegistrationCredentialsError, RegistrationNotNeededError)
 from monkey_island.cc.environment import Environment, EnvironmentConfig, UserCreds
diff --git a/monkey/monkey_island/cc/environment/test_environment_config.py b/monkey/monkey_island/cc/environment/test_environment_config.py
index d30c86804..ed9b0ef96 100644
--- a/monkey/monkey_island/cc/environment/test_environment_config.py
+++ b/monkey/monkey_island/cc/environment/test_environment_config.py
@@ -5,7 +5,7 @@ from typing import Dict
 from unittest import TestCase
 from unittest.mock import MagicMock, patch
 
-import monkey_island.cc.testing.environment.server_config_mocks as config_mocks
+import monkey_island.cc.test_common.environment.server_config_mocks as config_mocks
 from monkey_island.cc.server_utils.consts import MONKEY_ISLAND_ABS_PATH
 from monkey_island.cc.environment.environment_config import EnvironmentConfig
 from monkey_island.cc.environment.user_creds import UserCreds
diff --git a/monkey/monkey_island/cc/models/test_monkey.py b/monkey/monkey_island/cc/models/test_monkey.py
index 5acf8220f..fad2ea94e 100644
--- a/monkey/monkey_island/cc/models/test_monkey.py
+++ b/monkey/monkey_island/cc/models/test_monkey.py
@@ -5,22 +5,15 @@ from time import sleep
 import pytest
 
 from monkey_island.cc.models.monkey import Monkey, MonkeyNotFoundError
-from monkey_island.cc.testing.IslandTestCase import IslandTestCase
 
 from .monkey_ttl import MonkeyTtl
 
 logger = logging.getLogger(__name__)
 
 
-class TestMonkey(IslandTestCase):
-    """
-    Make sure to set server environment to `testing` in server_config.json!
-    Otherwise this will mess up your mongo instance and won't work.
-
-    Also, the working directory needs to be the working directory from which you usually run the island so the
-    server_config.json file is found and loaded.
-    """
+class TestMonkey:
 
+    @pytest.mark.usefixtures('uses_database')
     def test_is_dead(self):
         # Arrange
         alive_monkey_ttl = MonkeyTtl.create_ttl_expire_in(30)
@@ -44,20 +37,22 @@ class TestMonkey(IslandTestCase):
         dead_monkey.save()
 
         # act + assert
-        self.assertTrue(dead_monkey.is_dead())
-        self.assertTrue(mia_monkey.is_dead())
-        self.assertFalse(alive_monkey.is_dead())
+        assert dead_monkey.is_dead()
+        assert mia_monkey.is_dead()
+        assert not alive_monkey.is_dead()
 
+    @pytest.mark.usefixtures('uses_database')
     def test_ttl_renewal(self):
         # Arrange
         monkey = Monkey(guid=str(uuid.uuid4()))
         monkey.save()
-        self.assertIsNone(monkey.ttl_ref)
+        assert monkey.ttl_ref is None
 
         # act + assert
         monkey.renew_ttl()
-        self.assertIsNotNone(monkey.ttl_ref)
+        assert monkey.ttl_ref
 
+    @pytest.mark.usefixtures('uses_database')
     def test_get_single_monkey_by_id(self):
         # Arrange
         a_monkey = Monkey(guid=str(uuid.uuid4()))
@@ -65,12 +60,13 @@ class TestMonkey(IslandTestCase):
 
         # Act + assert
         # Find the existing one
-        self.assertIsNotNone(Monkey.get_single_monkey_by_id(a_monkey.id))
+        assert Monkey.get_single_monkey_by_id(a_monkey.id) is not None
 
         # Raise on non-existent monkey
         with pytest.raises(MonkeyNotFoundError) as _:
             _ = Monkey.get_single_monkey_by_id("abcdefabcdefabcdefabcdef")
 
+    @pytest.mark.usefixtures('uses_database')
     def test_get_os(self):
         linux_monkey = Monkey(guid=str(uuid.uuid4()),
                               description="Linux shay-Virtual-Machine 4.15.0-50-generic #54-Ubuntu")
@@ -82,10 +78,11 @@ class TestMonkey(IslandTestCase):
         windows_monkey.save()
         unknown_monkey.save()
 
-        self.assertEqual(1, len([m for m in Monkey.objects() if m.get_os() == "windows"]))
-        self.assertEqual(1, len([m for m in Monkey.objects() if m.get_os() == "linux"]))
-        self.assertEqual(1, len([m for m in Monkey.objects() if m.get_os() == "unknown"]))
+        assert 1 == len([m for m in Monkey.objects() if m.get_os() == "windows"])
+        assert 1 == len([m for m in Monkey.objects() if m.get_os() == "linux"])
+        assert 1 == len([m for m in Monkey.objects() if m.get_os() == "unknown"])
 
+    @pytest.mark.usefixtures('uses_database')
     def test_get_tunneled_monkeys(self):
         linux_monkey = Monkey(guid=str(uuid.uuid4()),
                               description="Linux shay-Virtual-Machine")
@@ -103,8 +100,9 @@ class TestMonkey(IslandTestCase):
                     and unknown_monkey in tunneled_monkeys
                     and linux_monkey not in tunneled_monkeys
                     and len(tunneled_monkeys) == 2)
-        self.assertTrue(test, "Tunneling test")
+        assert test == "Tunneling test"
 
+    @pytest.mark.usefixtures('uses_database')
     def test_get_label_by_id(self):
         hostname_example = "a_hostname"
         ip_example = "1.1.1.1"
@@ -117,26 +115,26 @@ class TestMonkey(IslandTestCase):
         logger.debug(id(Monkey.get_label_by_id))
 
         cache_info_before_query = Monkey.get_label_by_id.storage.backend.cache_info()
-        self.assertEqual(cache_info_before_query.hits, 0)
-        self.assertEqual(cache_info_before_query.misses, 0)
+        assert cache_info_before_query.hits == 0
+        assert cache_info_before_query.misses == 0
 
         # not cached
         label = Monkey.get_label_by_id(linux_monkey.id)
         cache_info_after_query_1 = Monkey.get_label_by_id.storage.backend.cache_info()
-        self.assertEqual(cache_info_after_query_1.hits, 0)
-        self.assertEqual(cache_info_after_query_1.misses, 1)
+        assert cache_info_after_query_1.hits == 0
+        assert cache_info_after_query_1.misses == 1
         logger.debug("1) ID: {} label: {}".format(linux_monkey.id, label))
 
-        self.assertIsNotNone(label)
-        self.assertIn(hostname_example, label)
-        self.assertIn(ip_example, label)
+        assert label is not None
+        assert hostname_example in label
+        assert ip_example in label
 
         # should be cached
         label = Monkey.get_label_by_id(linux_monkey.id)
         logger.debug("2) ID: {} label: {}".format(linux_monkey.id, label))
         cache_info_after_query_2 = Monkey.get_label_by_id.storage.backend.cache_info()
-        self.assertEqual(cache_info_after_query_2.hits, 1)
-        self.assertEqual(cache_info_after_query_2.misses, 1)
+        assert cache_info_after_query_2.hits == 1
+        assert cache_info_after_query_2.misses == 1
 
         # set hostname deletes the id from the cache.
         linux_monkey.set_hostname("Another hostname")
@@ -147,24 +145,25 @@ class TestMonkey(IslandTestCase):
         cache_info_after_query_3 = Monkey.get_label_by_id.storage.backend.cache_info()
         logger.debug("Cache info: {}".format(str(cache_info_after_query_3)))
         # still 1 hit only
-        self.assertEqual(cache_info_after_query_3.hits, 1)
-        self.assertEqual(cache_info_after_query_3.misses, 2)
+        assert cache_info_after_query_3.hits == 1
+        assert cache_info_after_query_3.misses == 2
 
+    @pytest.mark.usefixtures('uses_database')
     def test_is_monkey(self):
         a_monkey = Monkey(guid=str(uuid.uuid4()))
         a_monkey.save()
 
         cache_info_before_query = Monkey.is_monkey.storage.backend.cache_info()
-        self.assertEqual(cache_info_before_query.hits, 0)
+        assert cache_info_before_query.hits == 0
 
         # not cached
-        self.assertTrue(Monkey.is_monkey(a_monkey.id))
+        assert Monkey.is_monkey(a_monkey.id)
         fake_id = "123456789012"
-        self.assertFalse(Monkey.is_monkey(fake_id))
+        assert not Monkey.is_monkey(fake_id)
 
         # should be cached
-        self.assertTrue(Monkey.is_monkey(a_monkey.id))
-        self.assertFalse(Monkey.is_monkey(fake_id))
+        assert Monkey.is_monkey(a_monkey.id)
+        assert not Monkey.is_monkey(fake_id)
 
         cache_info_after_query = Monkey.is_monkey.storage.backend.cache_info()
-        self.assertEqual(cache_info_after_query.hits, 2)
+        assert cache_info_after_query.hits == 2
diff --git a/monkey/monkey_island/cc/models/zero_trust/test_event.py b/monkey/monkey_island/cc/models/zero_trust/test_event.py
index a84268e40..f4044c037 100644
--- a/monkey/monkey_island/cc/models/zero_trust/test_event.py
+++ b/monkey/monkey_island/cc/models/zero_trust/test_event.py
@@ -1,20 +1,20 @@
+import pytest
 from mongoengine import ValidationError
 
 import common.common_consts.zero_trust_consts as zero_trust_consts
 from monkey_island.cc.models.zero_trust.event import Event
-from monkey_island.cc.testing.IslandTestCase import IslandTestCase
 
 
-class TestEvent(IslandTestCase):
+class TestEvent:
     def test_create_event(self):
-        with self.assertRaises(ValidationError):
+        with pytest.raises(ValidationError):
             _ = Event.create_event(
                 title=None,  # title required
                 message="bla bla",
                 event_type=zero_trust_consts.EVENT_TYPE_MONKEY_NETWORK
             )
 
-        with self.assertRaises(ValidationError):
+        with pytest.raises(ValidationError):
             _ = Event.create_event(
                 title="skjs",
                 message="bla bla",
diff --git a/monkey/monkey_island/cc/models/zero_trust/test_finding.py b/monkey/monkey_island/cc/models/zero_trust/test_finding.py
index a2a6be6ea..fd78e2671 100644
--- a/monkey/monkey_island/cc/models/zero_trust/test_finding.py
+++ b/monkey/monkey_island/cc/models/zero_trust/test_finding.py
@@ -6,7 +6,6 @@ from monkey_island.cc.models.zero_trust.event import Event
 from monkey_island.cc.models.zero_trust.finding import Finding
 from monkey_island.cc.models.zero_trust.monkey_finding_details import MonkeyFindingDetails
 from monkey_island.cc.models.zero_trust.scoutsuite_finding_details import ScoutSuiteFindingDetails
-from monkey_island.cc.testing.IslandTestCase import IslandTestCase
 
 
 MONKEY_FINDING_DETAIL_MOCK = MonkeyFindingDetails()
@@ -15,21 +14,21 @@ SCOUTSUITE_FINDING_DETAIL_MOCK = ScoutSuiteFindingDetails()
 SCOUTSUITE_FINDING_DETAIL_MOCK.scoutsuite_rules = []
 
 
-class TestFinding(IslandTestCase):
+class TestFinding:
 
     def test_save_finding_validation(self):
-        with self.assertRaises(ValidationError):
+        with pytest.raises(ValidationError):
             _ = Finding.save_finding(test="bla bla",
                                      status=zero_trust_consts.STATUS_FAILED,
                                      detail_ref=MONKEY_FINDING_DETAIL_MOCK)
 
-        with self.assertRaises(ValidationError):
+        with pytest.raises(ValidationError):
             _ = Finding.save_finding(test=zero_trust_consts.TEST_SEGMENTATION,
                                      status="bla bla",
                                      detail_ref=SCOUTSUITE_FINDING_DETAIL_MOCK)
 
     def test_save_finding_sanity(self):
-        self.assertEqual(len(Finding.objects(test=zero_trust_consts.TEST_SEGMENTATION)), 0)
+        assert len(Finding.objects(test=zero_trust_consts.TEST_SEGMENTATION)) == 0
 
         event_example = Event.create_event(
             title="Event Title", message="event message", event_type=zero_trust_consts.EVENT_TYPE_MONKEY_NETWORK)
@@ -38,5 +37,5 @@ class TestFinding(IslandTestCase):
         Finding.save_finding(test=zero_trust_consts.TEST_SEGMENTATION,
                              status=zero_trust_consts.STATUS_FAILED, detail_ref=monkey_details_example)
 
-        self.assertEqual(len(Finding.objects(test=zero_trust_consts.TEST_SEGMENTATION)), 1)
-        self.assertEqual(len(Finding.objects(status=zero_trust_consts.STATUS_FAILED)), 1)
+        assert len(Finding.objects(test=zero_trust_consts.TEST_SEGMENTATION)) == 1
+        assert len(Finding.objects(status=zero_trust_consts.STATUS_FAILED)) == 1
diff --git a/monkey/monkey_island/cc/services/edge/test_displayed_edge.py b/monkey/monkey_island/cc/services/edge/test_displayed_edge.py
index cd8519327..5aa97d923 100644
--- a/monkey/monkey_island/cc/services/edge/test_displayed_edge.py
+++ b/monkey/monkey_island/cc/services/edge/test_displayed_edge.py
@@ -2,7 +2,6 @@ from bson import ObjectId
 
 from monkey_island.cc.services.edge.displayed_edge import DisplayedEdgeService
 from monkey_island.cc.services.edge.edge import RIGHT_ARROW, EdgeService
-from monkey_island.cc.testing.IslandTestCase import IslandTestCase
 
 SCAN_DATA_MOCK = [{
     "timestamp": "2020-05-27T14:59:28.944Z",
@@ -45,7 +44,7 @@ EXPLOIT_DATA_MOCK = [{
 }]
 
 
-class TestDisplayedEdgeService(IslandTestCase):
+class TestDisplayedEdgeService:
     def test_get_displayed_edges_by_to(self):
 
         dst_id = ObjectId()
@@ -57,7 +56,7 @@ class TestDisplayedEdgeService(IslandTestCase):
         EdgeService.get_or_create_edge(src_id2, dst_id, "Ubuntu-4ubuntu3.2", "Ubuntu-4ubuntu2.8")
 
         displayed_edges = DisplayedEdgeService.get_displayed_edges_by_dst(str(dst_id))
-        self.assertEqual(len(displayed_edges), 2)
+        assert len(displayed_edges) == 2
 
     def test_edge_to_displayed_edge(self):
         src_node_id = ObjectId()
@@ -74,22 +73,21 @@ class TestDisplayedEdgeService(IslandTestCase):
 
         displayed_edge = DisplayedEdgeService.edge_to_displayed_edge(edge)
 
-        self.assertEqual(displayed_edge['to'], dst_node_id)
-        self.assertEqual(displayed_edge['from'], src_node_id)
-        self.assertEqual(displayed_edge['ip_address'], "10.2.2.2")
-        self.assertListEqual(displayed_edge['services'], ["tcp-8088: unknown", "tcp-22: ssh"])
-        self.assertEqual(displayed_edge['os'], {"type": "linux",
-                                                "version": "Ubuntu-4ubuntu2.8"})
-        self.assertEqual(displayed_edge['exploits'], EXPLOIT_DATA_MOCK)
-        self.assertEqual(displayed_edge['_label'], "Ubuntu-4ubuntu3.2 " + RIGHT_ARROW + " Ubuntu-4ubuntu2.8")
-        self.assertEqual(displayed_edge['group'], "exploited")
+        assert displayed_edge['to'] == dst_node_id
+        assert displayed_edge['from'] == src_node_id
+        assert displayed_edge['ip_address'] == "10.2.2.2"
+        assert displayed_edge['services'] == ["tcp-8088: unknown", "tcp-22: ssh"]
+        assert displayed_edge['os'] == {"type": "linux", "version": "Ubuntu-4ubuntu2.8"}
+        assert displayed_edge['exploits'] == EXPLOIT_DATA_MOCK
+        assert displayed_edge['_label'] == "Ubuntu-4ubuntu3.2 " + RIGHT_ARROW + " Ubuntu-4ubuntu2.8"
+        assert displayed_edge['group'] == "exploited"
         return displayed_edge
 
     def test_services_to_displayed_services(self):
         services1 = DisplayedEdgeService.services_to_displayed_services(SCAN_DATA_MOCK[-1]["data"]["services"],
                                                                         True)
-        self.assertEqual(services1, ["tcp-8088", "tcp-22"])
+        assert services1 == ["tcp-8088", "tcp-22"]
 
         services2 = DisplayedEdgeService.services_to_displayed_services(SCAN_DATA_MOCK[-1]["data"]["services"],
                                                                         False)
-        self.assertEqual(services2, ["tcp-8088: unknown", "tcp-22: ssh"])
+        assert services2 == ["tcp-8088: unknown", "tcp-22: ssh"]
diff --git a/monkey/monkey_island/cc/services/edge/test_edge.py b/monkey/monkey_island/cc/services/edge/test_edge.py
index bc2c40e80..26ab82311 100644
--- a/monkey/monkey_island/cc/services/edge/test_edge.py
+++ b/monkey/monkey_island/cc/services/edge/test_edge.py
@@ -1,57 +1,51 @@
 import logging
 
+import pytest
 from mongomock import ObjectId
 
 from monkey_island.cc.models.edge import Edge
 from monkey_island.cc.services.edge.edge import EdgeService
-from monkey_island.cc.testing.IslandTestCase import IslandTestCase
 
 logger = logging.getLogger(__name__)
 
 
-class TestEdgeService(IslandTestCase):
-    """
-    Make sure to set server environment to `testing` in server_config.json!
-    Otherwise this will mess up your mongo instance and won't work.
-
-    Also, the working directory needs to be the working directory from which you usually run the island so the
-    server_config.json file is found and loaded.
-    """
+class TestEdgeService:
 
+    @pytest.mark.usefixtures('uses_database')
     def test_get_or_create_edge(self):
         src_id = ObjectId()
         dst_id = ObjectId()
 
         test_edge1 = EdgeService.get_or_create_edge(src_id, dst_id, "Mock label 1", "Mock label 2")
-        self.assertEqual(test_edge1.src_node_id, src_id)
-        self.assertEqual(test_edge1.dst_node_id, dst_id)
-        self.assertFalse(test_edge1.exploited)
-        self.assertFalse(test_edge1.tunnel)
-        self.assertListEqual(test_edge1.scans, [])
-        self.assertListEqual(test_edge1.exploits, [])
-        self.assertEqual(test_edge1.src_label, "Mock label 1")
-        self.assertEqual(test_edge1.dst_label, "Mock label 2")
-        self.assertIsNone(test_edge1.group)
-        self.assertIsNone(test_edge1.domain_name)
-        self.assertIsNone(test_edge1.ip_address)
+        assert test_edge1.src_node_id == src_id
+        assert test_edge1.dst_node_id == dst_id
+        assert not test_edge1.exploited
+        assert not test_edge1.tunnel
+        assert test_edge1.scans == []
+        assert test_edge1.exploits == []
+        assert test_edge1.src_label == "Mock label 1"
+        assert test_edge1.dst_label == "Mock label 2"
+        assert test_edge1.group is None
+        assert test_edge1.domain_name is None
+        assert test_edge1.ip_address is None
 
         EdgeService.get_or_create_edge(src_id, dst_id, "Mock label 1", "Mock label 2")
-        self.assertEqual(len(Edge.objects()), 1)
+        assert len(Edge.objects()) == 1
 
     def test_get_edge_group(self):
         edge = Edge(src_node_id=ObjectId(),
                     dst_node_id=ObjectId(),
                     exploited=True)
-        self.assertEqual("exploited", EdgeService.get_group(edge))
+        assert "exploited" == EdgeService.get_group(edge)
 
         edge.exploited = False
         edge.tunnel = True
-        self.assertEqual("tunnel", EdgeService.get_group(edge))
+        assert "tunnel" == EdgeService.get_group(edge)
 
         edge.tunnel = False
         edge.exploits.append(["mock_exploit_data"])
-        self.assertEqual("scan", EdgeService.get_group(edge))
+        assert "scan" == EdgeService.get_group(edge)
 
         edge.exploits = []
         edge.scans = []
-        self.assertEqual("empty", EdgeService.get_group(edge))
+        assert "empty" == EdgeService.get_group(edge)
diff --git a/monkey/monkey_island/cc/services/reporting/test_pth_report.py b/monkey/monkey_island/cc/services/reporting/test_pth_report.py
index fc1e6dd27..e5fc9aa9a 100644
--- a/monkey/monkey_island/cc/services/reporting/test_pth_report.py
+++ b/monkey/monkey_island/cc/services/reporting/test_pth_report.py
@@ -2,12 +2,11 @@ import uuid
 
 from monkey_island.cc.models import Monkey
 from monkey_island.cc.services.reporting.pth_report import PTHReportService
-from monkey_island.cc.testing.IslandTestCase import IslandTestCase
 
 
-class TestPTHReportServiceGenerateMapNodes(IslandTestCase):
+class TestPTHReportServiceGenerateMapNodes():
     def test_generate_map_nodes(self):
-        self.assertEqual(PTHReportService.generate_map_nodes(), [])
+        assert PTHReportService.generate_map_nodes() == []
 
         windows_monkey_with_services = Monkey(
             guid=str(uuid.uuid4()),
@@ -37,7 +36,7 @@ class TestPTHReportServiceGenerateMapNodes(IslandTestCase):
 
         map_nodes = PTHReportService.generate_map_nodes()
 
-        self.assertEqual(2, len(map_nodes))
+        assert 2 == len(map_nodes)
 
     def test_generate_map_nodes_parsing(self):
         monkey_id = str(uuid.uuid4())
@@ -53,8 +52,8 @@ class TestPTHReportServiceGenerateMapNodes(IslandTestCase):
 
         map_nodes = PTHReportService.generate_map_nodes()
 
-        self.assertEqual(map_nodes[0]["id"], monkey_id)
-        self.assertEqual(map_nodes[0]["label"], "A_Windows_PC_1 : 1.1.1.1")
-        self.assertEqual(map_nodes[0]["group"], "critical")
-        self.assertEqual(len(map_nodes[0]["services"]), 2)
-        self.assertEqual(map_nodes[0]["hostname"], hostname)
+        assert map_nodes[0]["id"] == monkey_id
+        assert map_nodes[0]["label"] == "A_Windows_PC_1 : 1.1.1.1"
+        assert map_nodes[0]["group"] == "critical"
+        assert len(map_nodes[0]["services"]) == 2
+        assert map_nodes[0]["hostname"] == hostname
diff --git a/monkey/monkey_island/cc/services/telemetry/processing/system_info_collectors/test_environment.py b/monkey/monkey_island/cc/services/telemetry/processing/system_info_collectors/test_environment.py
index 8752a9e9d..6369ea9e1 100644
--- a/monkey/monkey_island/cc/services/telemetry/processing/system_info_collectors/test_environment.py
+++ b/monkey/monkey_island/cc/services/telemetry/processing/system_info_collectors/test_environment.py
@@ -3,10 +3,9 @@ import uuid
 from monkey_island.cc.models import Monkey
 from monkey_island.cc.services.telemetry.processing.system_info_collectors.system_info_telemetry_dispatcher import \
     SystemInfoTelemetryDispatcher
-from monkey_island.cc.testing.IslandTestCase import IslandTestCase
 
 
-class TestEnvironmentTelemetryProcessing(IslandTestCase):
+class TestEnvironmentTelemetryProcessing:
     def test_process_environment_telemetry(self):
         # Arrange
         monkey_guid = str(uuid.uuid4())
@@ -25,4 +24,4 @@ class TestEnvironmentTelemetryProcessing(IslandTestCase):
         }
         dispatcher.dispatch_collector_results_to_relevant_processors(telem_json)
 
-        self.assertEqual(Monkey.get_single_monkey_by_guid(monkey_guid).environment, on_premise)
+        assert Monkey.get_single_monkey_by_guid(monkey_guid).environment == on_premise
diff --git a/monkey/monkey_island/cc/services/telemetry/processing/system_info_collectors/test_system_info_telemetry_dispatcher.py b/monkey/monkey_island/cc/services/telemetry/processing/system_info_collectors/test_system_info_telemetry_dispatcher.py
index 4c31d466e..eed93058a 100644
--- a/monkey/monkey_island/cc/services/telemetry/processing/system_info_collectors/test_system_info_telemetry_dispatcher.py
+++ b/monkey/monkey_island/cc/services/telemetry/processing/system_info_collectors/test_system_info_telemetry_dispatcher.py
@@ -1,32 +1,33 @@
 import uuid
 
+import pytest
+
 from monkey_island.cc.models import Monkey
 from monkey_island.cc.services.telemetry.processing.system_info_collectors.system_info_telemetry_dispatcher import (
     SystemInfoTelemetryDispatcher, process_aws_telemetry)
-from monkey_island.cc.testing.IslandTestCase import IslandTestCase
 
 TEST_SYS_INFO_TO_PROCESSING = {
     "AwsCollector": [process_aws_telemetry],
 }
 
 
-class SystemInfoTelemetryDispatcherTest(IslandTestCase):
+class TestSystemInfoTelemetryDispatcher:
     def test_dispatch_to_relevant_collector_bad_inputs(self):
-        self.fail_if_not_testing_env()
 
         dispatcher = SystemInfoTelemetryDispatcher(TEST_SYS_INFO_TO_PROCESSING)
 
         # Bad format telem JSONs - throws
         bad_empty_telem_json = {}
-        self.assertRaises(KeyError, dispatcher.dispatch_collector_results_to_relevant_processors, bad_empty_telem_json)
+        with pytest.raises(KeyError):
+            dispatcher.dispatch_collector_results_to_relevant_processors(bad_empty_telem_json)
+
         bad_no_data_telem_json = {"monkey_guid": "bla"}
-        self.assertRaises(KeyError,
-                          dispatcher.dispatch_collector_results_to_relevant_processors,
-                          bad_no_data_telem_json)
+        with pytest.raises(KeyError):
+            dispatcher.dispatch_collector_results_to_relevant_processors(bad_no_data_telem_json)
+
         bad_no_monkey_telem_json = {"data": {"collectors": {"AwsCollector": "Bla"}}}
-        self.assertRaises(KeyError,
-                          dispatcher.dispatch_collector_results_to_relevant_processors,
-                          bad_no_monkey_telem_json)
+        with pytest.raises(KeyError):
+            dispatcher.dispatch_collector_results_to_relevant_processors(bad_no_monkey_telem_json)
 
         # Telem JSON with no collectors - nothing gets dispatched
         good_telem_no_collectors = {"monkey_guid": "bla", "data": {"bla": "bla"}}
@@ -53,4 +54,4 @@ class SystemInfoTelemetryDispatcherTest(IslandTestCase):
         }
         dispatcher.dispatch_collector_results_to_relevant_processors(telem_json)
 
-        self.assertEquals(Monkey.get_single_monkey_by_guid(a_monkey.guid).aws_instance_id, instance_id)
+        assert Monkey.get_single_monkey_by_guid(a_monkey.guid).aws_instance_id == instance_id
diff --git a/monkey/monkey_island/cc/services/telemetry/zero_trust_checks/test_segmentation.py b/monkey/monkey_island/cc/services/telemetry/zero_trust_checks/test_segmentation.py
index 6db918b52..b29f9e3c6 100644
--- a/monkey/monkey_island/cc/services/telemetry/zero_trust_checks/test_segmentation.py
+++ b/monkey/monkey_island/cc/services/telemetry/zero_trust_checks/test_segmentation.py
@@ -6,14 +6,13 @@ from monkey_island.cc.models.zero_trust.event import Event
 from monkey_island.cc.models.zero_trust.finding import Finding
 from monkey_island.cc.services.telemetry.zero_trust_checks.segmentation import create_or_add_findings_for_all_pairs
 from monkey_island.cc.services.zero_trust.monkey_findings.monkey_zt_finding_service import MonkeyZTFindingService
-from monkey_island.cc.testing.IslandTestCase import IslandTestCase
 
 FIRST_SUBNET = "1.1.1.1"
 SECOND_SUBNET = "2.2.2.0/24"
 THIRD_SUBNET = "3.3.3.3-3.3.3.200"
 
 
-class TestSegmentationChecks(IslandTestCase):
+class TestSegmentationChecks:
 
     def test_create_findings_for_all_done_pairs(self):
         all_subnets = [FIRST_SUBNET, SECOND_SUBNET, THIRD_SUBNET]
@@ -23,15 +22,15 @@ class TestSegmentationChecks(IslandTestCase):
             ip_addresses=[FIRST_SUBNET])
 
         # no findings
-        self.assertEqual(len(Finding.objects(test=zero_trust_consts.TEST_SEGMENTATION)), 0)
+        assert len(Finding.objects(test=zero_trust_consts.TEST_SEGMENTATION)) == 0
 
         # This is like the monkey is done and sent done telem
         create_or_add_findings_for_all_pairs(all_subnets, monkey)
 
         # There are 2 subnets in which the monkey is NOT
-        self.assertEqual(
-            len(Finding.objects(test=zero_trust_consts.TEST_SEGMENTATION, status=zero_trust_consts.STATUS_PASSED)),
-            2)
+        zt_seg_findings = Finding.objects(test=zero_trust_consts.TEST_SEGMENTATION,
+                                          status=zero_trust_consts.STATUS_PASSED)
+        assert len(zt_seg_findings) == 2
 
         # This is a monkey from 2nd subnet communicated with 1st subnet.
         MonkeyZTFindingService.create_or_add_to_existing(
@@ -43,12 +42,13 @@ class TestSegmentationChecks(IslandTestCase):
 
         )
 
-        self.assertEqual(
-            len(Finding.objects(test=zero_trust_consts.TEST_SEGMENTATION, status=zero_trust_consts.STATUS_PASSED)),
-            1)
-        self.assertEqual(
-            len(Finding.objects(test=zero_trust_consts.TEST_SEGMENTATION, status=zero_trust_consts.STATUS_FAILED)),
-            1)
-        self.assertEqual(
-            len(Finding.objects(test=zero_trust_consts.TEST_SEGMENTATION)),
-            2)
+        zt_seg_findings = Finding.objects(test=zero_trust_consts.TEST_SEGMENTATION,
+                                          status=zero_trust_consts.STATUS_PASSED)
+        assert len(zt_seg_findings) == 1
+
+        zt_seg_findings = Finding.objects(test=zero_trust_consts.TEST_SEGMENTATION,
+                                          status=zero_trust_consts.STATUS_FAILED)
+        assert len(zt_seg_findings) == 1
+
+        zt_seg_findings = Finding.objects(test=zero_trust_consts.TEST_SEGMENTATION)
+        assert len(zt_seg_findings) == 2
diff --git a/monkey/monkey_island/cc/services/zero_trust/monkey_findings/test_monkey_zt_finding_service.py b/monkey/monkey_island/cc/services/zero_trust/monkey_findings/test_monkey_zt_finding_service.py
index bcf600854..cadb88aed 100644
--- a/monkey/monkey_island/cc/services/zero_trust/monkey_findings/test_monkey_zt_finding_service.py
+++ b/monkey/monkey_island/cc/services/zero_trust/monkey_findings/test_monkey_zt_finding_service.py
@@ -1,14 +1,8 @@
 from datetime import datetime
-from typing import List
-
-from bson import ObjectId
 
 from common.common_consts import zero_trust_consts
 from monkey_island.cc.models.zero_trust.event import Event
-from monkey_island.cc.models.zero_trust.finding import Finding
-from monkey_island.cc.models.zero_trust.monkey_finding_details import MonkeyFindingDetails
 from monkey_island.cc.services.zero_trust.monkey_findings.monkey_zt_finding_service import MonkeyZTFindingService
-from monkey_island.cc.testing.IslandTestCase import IslandTestCase
 
 EVENTS = [
     Event.create_event(
@@ -38,7 +32,7 @@ STATUS = [
 ]
 
 
-class TestMonkeyZTFindingService(IslandTestCase):
+class TestMonkeyZTFindingService:
 
     def test_create_or_add_to_existing(self):
 
diff --git a/monkey/monkey_island/cc/services/zero_trust/scoutsuite/test_scoutsuite_zt_finding_service.py b/monkey/monkey_island/cc/services/zero_trust/scoutsuite/test_scoutsuite_zt_finding_service.py
index a6082bd05..e3a8de1bc 100644
--- a/monkey/monkey_island/cc/services/zero_trust/scoutsuite/test_scoutsuite_zt_finding_service.py
+++ b/monkey/monkey_island/cc/services/zero_trust/scoutsuite/test_scoutsuite_zt_finding_service.py
@@ -1,10 +1,11 @@
+import pytest
+
 from common.common_consts import zero_trust_consts
 from monkey_island.cc.models.zero_trust.finding import Finding
 from monkey_island.cc.models.zero_trust.scoutsuite_rule import ScoutSuiteRule
 from monkey_island.cc.services.zero_trust.scoutsuite.consts.findings import PermissiveFirewallRules, \
     UnencryptedData
 from monkey_island.cc.services.zero_trust.scoutsuite.scoutsuite_zt_finding_service import ScoutSuiteZTFindingService
-from monkey_island.cc.testing.IslandTestCase import IslandTestCase
 
 RULES = [
     ScoutSuiteRule(
@@ -71,35 +72,36 @@ FINDINGS = [
 ]
 
 
-class TestScoutSuiteZTFindingService(IslandTestCase):
+class TestScoutSuiteZTFindingService:
 
+    @pytest.mark.usefixtures('uses_database')
     def test_process_rule(self):
         # Creates new PermissiveFirewallRules finding with a rule
         ScoutSuiteZTFindingService.process_rule(FINDINGS[0], RULES[0])
         findings = list(Finding.objects())
-        self.assertEqual(len(findings), 1)
-        self.assertEqual(findings[0].finding_type, zero_trust_consts.SCOUTSUITE_FINDING)
+        assert len(findings) == 1
+        assert findings[0].finding_type == zero_trust_consts.SCOUTSUITE_FINDING
         # Assert that details were created properly
         details = findings[0].details.fetch()
-        self.assertEqual(len(details.scoutsuite_rules), 1)
-        self.assertEqual(details.scoutsuite_rules[0], RULES[0])
+        assert len(details.scoutsuite_rules) == 1
+        assert details.scoutsuite_rules[0] == RULES[0]
 
         # Rule processing should add rule to an already existing finding
         ScoutSuiteZTFindingService.process_rule(FINDINGS[0], RULES[1])
         findings = list(Finding.objects())
-        self.assertEqual(len(findings), 1)
-        self.assertEqual(findings[0].finding_type, zero_trust_consts.SCOUTSUITE_FINDING)
+        assert len(findings) == 1
+        assert findings[0].finding_type == zero_trust_consts.SCOUTSUITE_FINDING
         # Assert that details were created properly
         details = findings[0].details.fetch()
-        self.assertEqual(len(details.scoutsuite_rules), 2)
-        self.assertEqual(details.scoutsuite_rules[1], RULES[1])
+        assert len(details.scoutsuite_rules) == 2
+        assert details.scoutsuite_rules[1] == RULES[1]
 
         # New finding created
         ScoutSuiteZTFindingService.process_rule(FINDINGS[1], RULES[1])
         findings = list(Finding.objects())
-        self.assertEqual(len(findings), 2)
-        self.assertEqual(findings[1].finding_type, zero_trust_consts.SCOUTSUITE_FINDING)
+        assert len(findings) == 2
+        assert findings[1].finding_type == zero_trust_consts.SCOUTSUITE_FINDING
         # Assert that details were created properly
         details = findings[1].details.fetch()
-        self.assertEqual(len(details.scoutsuite_rules), 1)
-        self.assertEqual(details.scoutsuite_rules[0], RULES[1])
+        assert len(details.scoutsuite_rules) == 1
+        assert details.scoutsuite_rules[0] == RULES[1]
diff --git a/monkey/monkey_island/cc/testing/__init__.py b/monkey/monkey_island/cc/test_common/__init__.py
similarity index 100%
rename from monkey/monkey_island/cc/testing/__init__.py
rename to monkey/monkey_island/cc/test_common/__init__.py
diff --git a/monkey/monkey_island/cc/testing/environment/server_config_mocks.py b/monkey/monkey_island/cc/test_common/environment/server_config_mocks.py
similarity index 100%
rename from monkey/monkey_island/cc/testing/environment/server_config_mocks.py
rename to monkey/monkey_island/cc/test_common/environment/server_config_mocks.py
diff --git a/monkey/monkey_island/cc/test_common/mongomock_fixtures.py b/monkey/monkey_island/cc/test_common/mongomock_fixtures.py
new file mode 100644
index 000000000..8a49d0254
--- /dev/null
+++ b/monkey/monkey_island/cc/test_common/mongomock_fixtures.py
@@ -0,0 +1,32 @@
+import mongoengine
+import pytest
+
+from monkey_island.cc.models import Monkey
+from monkey_island.cc.models.edge import Edge
+from monkey_island.cc.models.zero_trust.finding import Finding
+
+
+@pytest.fixture(scope='session', autouse=True)
+def change_to_mongo_mock():
+    # Make sure tests are working with mongomock
+    mongoengine.disconnect()
+    mongoengine.connect('mongoenginetest', host='mongomock://localhost')
+
+
+@pytest.fixture(scope='function')
+def uses_database():
+    _clean_edge_db()
+    _clean_monkey_db()
+    _clean_finding_db()
+
+
+def _clean_monkey_db():
+    Monkey.objects().delete()
+
+
+def _clean_edge_db():
+    Edge.objects().delete()
+
+
+def _clean_finding_db():
+    Finding.objects().delete()
diff --git a/monkey/monkey_island/cc/testing/README.md b/monkey/monkey_island/cc/test_common/profiling/README.md
similarity index 100%
rename from monkey/monkey_island/cc/testing/README.md
rename to monkey/monkey_island/cc/test_common/profiling/README.md
diff --git a/monkey/monkey_island/cc/testing/profiler_decorator.py b/monkey/monkey_island/cc/test_common/profiling/profiler_decorator.py
similarity index 100%
rename from monkey/monkey_island/cc/testing/profiler_decorator.py
rename to monkey/monkey_island/cc/test_common/profiling/profiler_decorator.py
diff --git a/monkey/monkey_island/cc/testing/IslandTestCase.py b/monkey/monkey_island/cc/testing/IslandTestCase.py
deleted file mode 100644
index d6231c01e..000000000
--- a/monkey/monkey_island/cc/testing/IslandTestCase.py
+++ /dev/null
@@ -1,41 +0,0 @@
-import unittest
-
-import mongoengine
-
-import monkey_island.cc.environment.environment_singleton as env_singleton
-from monkey_island.cc.models import Monkey
-from monkey_island.cc.models.edge import Edge
-from monkey_island.cc.models.zero_trust.finding import Finding
-
-
-class IslandTestCase(unittest.TestCase):
-
-    def __init__(self, methodName):
-        # Make sure test is working with mongomock
-        if mongoengine.connection.get_connection().server_info()['sysInfo'] != 'Mock':
-            mongoengine.disconnect()
-            mongoengine.connect('mongoenginetest', host='mongomock://localhost')
-        else:
-            IslandTestCase.clean_db()
-        super().__init__(methodName)
-
-    def fail_if_not_testing_env(self):
-        self.assertFalse(not env_singleton.env.testing, "Change server_config.json to testing environment.")
-
-    @staticmethod
-    def clean_db():
-        IslandTestCase._clean_edge_db()
-        IslandTestCase._clean_monkey_db()
-        IslandTestCase._clean_finding_db()
-
-    @staticmethod
-    def _clean_monkey_db():
-        Monkey.objects().delete()
-
-    @staticmethod
-    def _clean_edge_db():
-        Edge.objects().delete()
-
-    @staticmethod
-    def _clean_finding_db():
-        Finding.objects().delete()