diff --git a/monkey/tests/unit_tests/conftest.py b/monkey/tests/unit_tests/conftest.py
index d1470c167..2d5132da0 100644
--- a/monkey/tests/unit_tests/conftest.py
+++ b/monkey/tests/unit_tests/conftest.py
@@ -8,6 +8,7 @@ MONKEY_BASE_PATH = str(Path(__file__).parent.parent.parent)
 sys.path.insert(0, MONKEY_BASE_PATH)
 
 from common.agent_configuration import DEFAULT_AGENT_CONFIGURATION, AgentConfiguration  # noqa: E402
+from common.events import AbstractEvent  # noqa: E402
 
 
 @pytest.fixture(scope="session")
@@ -50,3 +51,17 @@ def monkey_configs_dir(data_for_tests_dir) -> Path:
 @pytest.fixture
 def default_agent_configuration() -> AgentConfiguration:
     return DEFAULT_AGENT_CONFIGURATION
+
+
+@pytest.fixture
+def event_queue_subscriber():
+    def fn(event: AbstractEvent):
+        fn.call_count += 1
+        fn.call_types.add(event.__class__)
+        fn.call_tags |= event.tags
+
+    fn.call_count = 0
+    fn.call_types = set()
+    fn.call_tags = set()
+
+    return fn