Tests asynchronous call stacks for setInterval.

Set timer for test function.
Captured call stacks in no particular order:
Call stack:
    0) callback (async-callstack-set-interval.js:23)
    [setInterval]
    0) testFunction (async-callstack-set-interval.js:17)
    [setTimeout]
    0) scheduleTestFunction <omitted>
    <... skipped remaining frames ...>

Call stack:
    0) callback (async-callstack-set-interval.js:25)
    [setInterval]
    0) testFunction (async-callstack-set-interval.js:17)
    [setTimeout]
    0) scheduleTestFunction <omitted>
    <... skipped remaining frames ...>

Call stack:
    0) callback (async-callstack-set-interval.js:28)
    [setInterval]
    0) testFunction (async-callstack-set-interval.js:17)
    [setTimeout]
    0) scheduleTestFunction <omitted>
    <... skipped remaining frames ...>