mavsdk_tests: don't stall on timeout

test/mavsdk_tests/mavsdk_test_runner.py

@@ -415,10 +415,21 @@ class Tester:
             self.verbose)
         self.active_runners.append(mavsdk_tests_runner)
 
+        abort = False
         for runner in self.active_runners:
             runner.set_log_filename(
                 self.determine_logfile_path(log_dir, runner.name))
-            runner.start()
+            try:
+                runner.start()
+            except TimeoutError:
+                abort = True
+                print("A timeout happened for runner: {}"
+                      .format(runner.name))
+                break
+
+        if abort:
+            self.stop_runners()
+            sys.exit(1)
 
     def stop_runners(self) -> None:
         for runner in self.active_runners:

test/mavsdk_tests/process_helper.py

@@ -8,7 +8,7 @@ import subprocess
 import threading
 import pathlib
 import errno
-from typing import Dict, List, TextIO, Optional
+from typing import Any, Dict, List, TextIO, Optional
 
 
 class Runner:
@@ -32,6 +32,7 @@ class Runner:
         self.log_dir = log_dir
         self.log_filename = ""
         self.wait_until_complete = False
+        self.stop_thread: Any[threading.Event] = None
 
     def set_log_filename(self, log_filename: str) -> None:
         self.log_filename = log_filename
@@ -97,6 +98,9 @@ class Runner:
     def stop(self) -> int:
         atexit.unregister(self.stop)
 
+        if not self.stop_thread:
+            return 0
+
         self.stop_thread.set()
 
         returncode = self.process.poll()