Tests pause functionality in detached frame.
Set timer for test function.
Script execution paused.
Call stack:
0) window.removeIframe (pause-in-removed-frame.js:18)
1) onXhrLoad (:8000/devtools/sources/debugger/resources/child.html:12)
2) sendRequest (:8000/devtools/sources/debugger/resources/child.html:16)
3) testFunction (pause-in-removed-frame.js:24)
Script execution resumed.