diff --git a/monkey/tests/unit_tests/monkey_island/cc/setup/test_process_runner.py b/monkey/tests/unit_tests/monkey_island/cc/setup/test_process_runner.py
index 5aa4e697b..5a6870dc2 100644
--- a/monkey/tests/unit_tests/monkey_island/cc/setup/test_process_runner.py
+++ b/monkey/tests/unit_tests/monkey_island/cc/setup/test_process_runner.py
@@ -7,9 +7,13 @@ from monkey_island.cc.setup.mongo_process_runner import MongoDbRunner
 TEST_DIR_NAME = "test_dir"
 
 
+@pytest.fixture(autouse=True)
+def fake_db_dir(monkeypatch, tmpdir):
+    monkeypatch.setattr("monkey_island.cc.setup.mongo_process_runner.DB_DIR_NAME", TEST_DIR_NAME)
+
+
 @pytest.fixture
 def expected_path(monkeypatch, tmpdir):
-    monkeypatch.setattr("monkey_island.cc.setup.mongo_process_runner.DB_DIR_NAME", TEST_DIR_NAME)
     expected_path = os.path.join(tmpdir, TEST_DIR_NAME)
     return expected_path
 
diff --git a/whitelist.py b/whitelist.py
index 51d4c22b8..6739d4791 100644
--- a/whitelist.py
+++ b/whitelist.py
@@ -166,6 +166,8 @@ IBM  # unused variable (monkey/common/cloud/environment_names.py:11)
 DigitalOcean  # unused variable (monkey/common/cloud/environment_names.py:12)
 _.aws_info  # unused attribute (monkey/monkey_island/cc/environment/aws.py:13)
 build_from_config_file_contents  # unused method 'build_from_config_file_contents' (\monkey_island\setup\island_config_options.py:18)
+fake_db_dir  # unused function 'fake_db_dir' (monkey/tests/unit_tests/monkey_island/cc/setup/test_process_runner.py:10)
+
 
 # these are not needed for it to work, but may be useful extra information to understand what's going on
 WINDOWS_PBA_TYPE  # unused variable (monkey/monkey_island/cc/resources/pba_file_upload.py:23)