Fix for hanging test execution

If exit does not occur with 10 seconds of the last
line executing, the main thread will get killed.

Change-Id: I799a418b07e01b228c539b81ca4a8f334d71e002
Signed-off-by: jpike <jason.pike@windriver.com>

framework/runner/scripts/test_executor.py

@@ -1,3 +1,6 @@
+import os
+import threading
+import time
 from optparse import OptionParser
 from typing import Optional
 
@@ -117,6 +120,15 @@ def main():
 
     log_summary(test_executor_summary)
 
+    # Force exit after 10 seconds if process doesn't terminate naturally
+    def force_exit_timer():
+        time.sleep(10)
+        get_logger().log_warning("Process did not exit naturally, forcing exit...")
+        os._exit(0)
+
+    timer_thread = threading.Thread(target=force_exit_timer, daemon=True)
+    timer_thread.start()
+
     return 0