HH-59459 fix byte strings in supervisor test

tests/test_supervisor.py

@@ -11,14 +11,14 @@ def test_start_no_action(self):
         process = run_supervisor_command('supervisor-testapp', 1234, '')
         _, stderr = process.communicate()
 
-        self.assertIn('missing action', stderr)
+        self.assertIn(b'missing action', stderr)
         self.assertEqual(1, process.poll())
 
     def test_start_incorrect_action(self):
         process = run_supervisor_command('supervisor-testapp', 1234, 'wtf')
         _, stderr = process.communicate()
 
-        self.assertIn('incorrect action', stderr)
+        self.assertIn(b'incorrect action', stderr)
         self.assertEqual(1, process.poll())
 
     def test_start_restart_stop_status(self):
@@ -27,53 +27,53 @@ def test_start_restart_stop_status(self):
         process = run_supervisor_command(supervisor_script, port, 'start')
         _, stderr = process.communicate()
 
-        self.assertIn('start worker', stderr)
-        self.assertIn('all workers are running', stderr)
+        self.assertIn(b'start worker', stderr)
+        self.assertIn(b'all workers are running', stderr)
         self.assertEqual(0, process.poll())
 
         # Double start
 
         process = run_supervisor_command(supervisor_script, port, 'start')
         _, stderr = process.communicate()
 
-        self.assertIn('another worker already started on', stderr)
+        self.assertIn(b'another worker already started on', stderr)
         self.assertEqual(0, process.poll())
 
         # Status — running
 
         process = run_supervisor_command(supervisor_script, port, 'status')
         _, stderr = process.communicate()
 
-        self.assertIn('all workers are running', stderr)
+        self.assertIn(b'all workers are running', stderr)
         self.assertEqual(0, process.poll())
 
         # Restart
 
         process = run_supervisor_command(supervisor_script, port, 'restart')
         _, stderr = process.communicate()
 
-        self.assertIn('some of the workers are running, trying to kill', stderr)
-        self.assertIn('stopping worker', stderr)
-        self.assertIn('start worker', stderr)
-        self.assertIn('all workers are running', stderr)
+        self.assertIn(b'some of the workers are running, trying to kill', stderr)
+        self.assertIn(b'stopping worker', stderr)
+        self.assertIn(b'start worker', stderr)
+        self.assertIn(b'all workers are running', stderr)
         self.assertEqual(0, process.poll())
 
         # Stop
 
         process = run_supervisor_command(supervisor_script, port, 'stop')
         _, stderr = process.communicate()
 
-        self.assertIn('some of the workers are running, trying to kill', stderr)
-        self.assertIn('stopping worker', stderr)
-        self.assertIn('all workers are stopped', stderr)
+        self.assertIn(b'some of the workers are running, trying to kill', stderr)
+        self.assertIn(b'stopping worker', stderr)
+        self.assertIn(b'all workers are stopped', stderr)
         self.assertEqual(0, process.poll())
 
         # Status — stopped
 
         process = run_supervisor_command(supervisor_script, port, 'status')
         _, stderr = process.communicate()
 
-        self.assertIn('all workers are stopped', stderr)
+        self.assertIn(b'all workers are stopped', stderr)
         self.assertEqual(3, process.poll())
 
     def test_broken(self):