tests/unit_tests: fix comment placement

A minor fixup related to comment placement.

Fixes: 18b106c ("tests/unit_tests: update user related tests")
Signed-off-by: Jeny Sadadia <jeny.sadadia@collabora.com>

Author: Jeny Sadadia

tests/unit_tests/conftest.py

@@ -90,15 +90,14 @@ def mock_get_current_admin_user(request: Request):
         is_verified=True
     )
 
-
+# Mock dependency callables for getting current user
 app.dependency_overrides[get_current_user] = mock_get_current_user
 app.dependency_overrides[get_current_superuser] = mock_get_current_admin_user
 
 
 @pytest.fixture(scope='session')
 def test_client():
     """Fixture to get FastAPI Test client instance"""
-    # Mock dependency callables for getting current user
     with TestClient(app=versioned_app, base_url=BASE_URL) as client:
         yield client