Kill off hanging crashtests.

servo · bors-servo · Feb 1, 2020 · Feb 1, 2020 · Feb 1, 2020 · 44a2953e84b41246a83326dbb1f9830ecb584afb
commit 44a2953e84b41246a83326dbb1f9830ecb584afb
diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json

    "support"
   ],
   "tools/wptrunner/wptrunner/executors/executorservo.py": [
-   "8f8e120e66da6403f256f99f279f1f5dc8008272",
+   "4816c3df06e87f8e85301918c341bbff97817777",
    "support"
   ],
   "tools/wptrunner/wptrunner/executors/executorservodriver.py": [
diff --git a/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/executors/executorservo.py b/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/executors/executorservo.py
@@ -332,6 +332,8 @@ def do_test(self, test):
         self.test = test
         success, data = ServoTimedRunner(self.logger, self.do_crashtest, self.protocol,
                                          test_url, timeout, self.extra_timeout).run()
+        # Ensure that no processes hang around if they timeout.
+        self.proc.kill()
 
         if success:
             return self.convert_result(test, data)