Tests Debugger.setBreakpointByUrl with isRegex set to true.

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Running: testSetNoneOfURLAndRegex
Either url or urlRegex must be specified.

Running: testSetBothURLAndRegex
Either url or urlRegex must be specified.

Running: testSetByRegex
Set timer for test function.
Script execution paused.
Call stack:
    0) testFunction (debugger-set-breakpoint-regex.html:9)
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