diff --git a/tests/test_runner.py b/tests/test_runner.py
index 5f4e55e..5950db4 100644
--- a/tests/test_runner.py
+++ b/tests/test_runner.py
@@ -20,13 +20,17 @@ def runner(self, interpreter):
         r.stop()
 
     @pytest.fixture()
-    def mocked_runner(self, runner, mocker):
-        mocker.patch.object(runner, 'before_run')
-        mocker.patch.object(runner, 'before_execute')
-        mocker.patch.object(runner, 'after_execute')
-        mocker.patch.object(runner, 'after_run')
-        return runner
-
+    def mocked_runner(self, interpreter, mocker):
+        class MockedRunner(AsyncRunner):
+            before_run = mocker.MagicMock()
+            before_execute = mocker.MagicMock()
+            after_execute = mocker.MagicMock()
+            after_run = mocker.MagicMock()
+        
+        r = MockedRunner(interpreter, interval=self.INTERVAL)
+        yield r
+        r.stop()
+        
     def test_not_yet_started(self, runner):
         assert runner.interpreter.configuration == []