Attempt to fix python not completing from the executor

Try forcing an exit from main.

Change-Id: Ie7e45648a4300375ce9b8305fa81444b45483f7f
Signed-off-by: jpike <jason.pike@windriver.com>

framework/runner/scripts/test_executor.py

@@ -117,9 +117,11 @@ def main():
 
     log_summary(test_executor_summary)
 
+    return 0
+
 
 if __name__ == "__main__":
     """
     Main Launcher
     """
-    main()
+    exit(main())