Use the CLI to run the app

tests/__init__.py

@@ -1,6 +1,5 @@
 import functools
 import os
-from multiprocessing import Process
 
 from aiohttp.test_utils import unused_port
 from aiounittest import AsyncTestCase
@@ -32,12 +31,8 @@ class BaseWorkerTestCase(BaseTestCase):
     def setUp(self):
         super().setUp()
         self.unused_port = unused_port()
-        self.router_process = Process(
-            target=worker.run, args=(self.unused_port,), daemon=True
-        )
-        self.router_process.start()
-        worker.wait_for_running_worker()
+        self.assertEqual(self.run_cli(["start"]).exit_code, 0)
 
     def tearDown(self):
-        self.router_process.terminate()
+        self.assertEqual(self.run_cli(["stop"]).exit_code, 0)
         super().tearDown()