CONSOLE ERROR: This test relies on dumping data via `testRunner.dumpPingLoaderCallbacks()`. No URLs containing 'block' should be pinged.
PingLoader dispatched to 'http://127.0.0.1:8000/resources/square.png?1'.
PingLoader dispatched to 'http://127.0.0.1:8000/resources/squ'.
PingLoader dispatched to 'http://127.0.0.1:8000/security/dangling-markup/are.png?2'.
PingLoader dispatched to 'http://127.0.0.1:8000/resources/squ'.
PingLoader dispatched to 'http://127.0.0.1:8000/security/dangling-markup/are.png?3'.
PingLoader dispatched to 'http://127.0.0.1:8000/resources/squ'.
PingLoader dispatched to 'http://127.0.0.1:8000/security/dangling-markup/are.png?4'.
PingLoader dispatched to 'http://127.0.0.1:8000/resources/square.png?img=%3C&5'.
PingLoader dispatched to 'http://127.0.0.1:8000/resources/square.png?img=<&6'.
PingLoader dispatched to 'http://127.0.0.1:8000/resources/square.png?img=%3C&7'.
PingLoader dispatched to 'http://127.0.0.1:8000/resources/squ'.
PingLoader dispatched to 'http://127.0.0.1:8000/security/dangling-markup/are.png?img=%3C&8'.
PingLoader dispatched to 'http://127.0.0.1:8000/resources/squ'.
PingLoader dispatched to 'http://127.0.0.1:8000/security/dangling-markup/are.png?img=%3C&9'.
PingLoader dispatched to 'http://127.0.0.1:8000/resources/squ'.
PingLoader dispatched to 'http://127.0.0.1:8000/security/dangling-markup/are.png?img=%3C&10'.
PingLoader dispatched to 'http://127.0.0.1:8000/resources/square.png?img=
&11'.
PingLoader dispatched to 'http://127.0.0.1:8000/resources/squ'.
PingLoader dispatched to 'http://127.0.0.1:8000/security/dangling-markup/are.png?img=
&12'.
PingLoader dispatched to 'http://127.0.0.1:8000/resources/squ'.
PingLoader dispatched to 'http://127.0.0.1:8000/security/dangling-markup/are.png?img=
&13'.
PingLoader dispatched to 'http://127.0.0.1:8000/resources/squ'.
PingLoader dispatched to 'http://127.0.0.1:8000/security/dangling-markup/are.png?img=
&14'.
This is a testharness.js-based test.
Harness: the test ran to completion.