[STYLE] Fix for overlooked comment (- WIP PR #448 -)

Changes in file tests/test_hear_cleanup.py:
 * corrected an overlooked comment

Author: reactive-firewall

tests/test_hear_cleanup.py

@@ -233,7 +233,7 @@ def test_should_not_invoke_kill_func_when_handle_error_not_called(self) -> None:
 			self.server = multicast.hear.McastServer(server_address, None, False)
 			self.server.shutdown = MagicMock()  # Mock the shutdown method
 			client_address = (self.get_default_ip(), _fixture_port_num)
-			# Mock a request not containing "STOP"
+			# Mock a request containing "STOP"
 			request = ("Any other message with O, P, S, T", multicast.genSocket())
 			# Add assertions for initial state
 			self.assertIsNotNone(request[1], "Socket should be created")