diff --git a/monkey/tests/unit_tests/monkey_island/cc/models/test_report_model.py b/monkey/tests/unit_tests/monkey_island/cc/models/test_report_model.py
index 6eedb33b8..1b1e9ed07 100644
--- a/monkey/tests/unit_tests/monkey_island/cc/models/test_report_model.py
+++ b/monkey/tests/unit_tests/monkey_island/cc/models/test_report_model.py
@@ -1,9 +1,10 @@
+from typing import List
+
 import pytest
 
 from monkey_island.cc.models import Report
-from monkey_island.cc.models.utils.field_encryptors.string_list_encryptor import StringListEncryptor
+from monkey_island.cc.models.utils.field_encryptors.i_field_encryptor import IFieldEncryptor
 from monkey_island.cc.models.utils.report_encryptor import SensitiveField
-from monkey_island.cc.server_utils.encryptor import initialize_encryptor
 
 MOCK_SENSITIVE_FIELD_CONTENTS = ["the_string", "the_string2"]
 MOCK_REPORT_DICT = {
@@ -13,20 +14,33 @@ MOCK_REPORT_DICT = {
     "meta_info": {"foo": "bar"},
 }
 
-MOCK_SENSITIVE_FIELDS = [SensitiveField("overview.foo.the_key", StringListEncryptor)]
+
+class MockFieldEncryptor(IFieldEncryptor):
+    plaintext = []
+
+    @staticmethod
+    def encrypt(value: List[str]) -> List[str]:
+        return [MockFieldEncryptor._encrypt(v) for v in value]
+
+    @staticmethod
+    def _encrypt(value: str) -> str:
+        MockFieldEncryptor.plaintext.append(value)
+        return str(len(MockFieldEncryptor.plaintext) - 1)
+
+    @staticmethod
+    def decrypt(value: List[str]) -> List[str]:
+        return [MockFieldEncryptor.plaintext[int(v)] for v in value]
+
+
+MOCK_SENSITIVE_FIELDS = [SensitiveField("overview.foo.the_key", MockFieldEncryptor)]
 
 
 @pytest.mark.usefixtures("uses_database")
 def test_report_encryption(monkeypatch, data_for_tests_dir):
-    initialize_encryptor(data_for_tests_dir)
-
     monkeypatch.setattr(
         "monkey_island.cc.models.utils.report_encryptor.sensitive_fields", MOCK_SENSITIVE_FIELDS
     )
     Report.save_report(MOCK_REPORT_DICT)
-    assert not Report.objects.first()["overview"]["foo"]["the_key"] == MOCK_SENSITIVE_FIELD_CONTENTS
-    assert (
-        not Report.objects.first()["overview"]["foo"]["the_key"][1]
-        == MOCK_SENSITIVE_FIELD_CONTENTS[1]
-    )
+
+    assert Report.objects.first()["overview"]["foo"]["the_key"] == ["0", "1"]
     assert Report.get_report()["overview"]["foo"]["the_key"] == MOCK_SENSITIVE_FIELD_CONTENTS