Tests asynchronous call stacks for async functions.

Set timer for test function.
Captured call stacks in no particular order:
Call stack:
    0) errorCallback (async-callstack-async-await3.js:66)
    1) doTestPromiseReject (async-callstack-async-await3.js:135)
    [await]
    0) testFunctionTimeout (async-callstack-async-await3.js:56)
    [setTimeout]
    0) testFunction (async-callstack-async-await3.js:49)
    [setTimeout]
    0) scheduleTestFunction <omitted>
    <... skipped remaining frames ...>

Call stack:
    0) errorCallback (async-callstack-async-await3.js:66)
    1) doTestRejectFromChain (async-callstack-async-await3.js:115)
    [await]
    0) testFunctionTimeout (async-callstack-async-await3.js:56)
    [setTimeout]
    0) testFunction (async-callstack-async-await3.js:49)
    [setTimeout]
    0) scheduleTestFunction <omitted>
    <... skipped remaining frames ...>

Call stack:
    0) errorCallback (async-callstack-async-await3.js:66)
    1) doTestThrowFromChain (async-callstack-async-await3.js:95)
    [await]
    0) testFunctionTimeout (async-callstack-async-await3.js:56)
    [setTimeout]
    0) testFunction (async-callstack-async-await3.js:49)
    [setTimeout]
    0) scheduleTestFunction <omitted>
    <... skipped remaining frames ...>

Call stack:
    0) thenCallback (async-callstack-async-await3.js:61)
    1) doTestPromiseAll (async-callstack-async-await3.js:73)
    [await]
    0) testFunctionTimeout (async-callstack-async-await3.js:56)
    [setTimeout]
    0) testFunction (async-callstack-async-await3.js:49)
    [setTimeout]
    0) scheduleTestFunction <omitted>
    <... skipped remaining frames ...>

Call stack:
    0) thenCallback (async-callstack-async-await3.js:61)
    1) doTestPromiseResolve (async-callstack-async-await3.js:123)
    [await]
    0) testFunctionTimeout (async-callstack-async-await3.js:56)
    [setTimeout]
    0) testFunction (async-callstack-async-await3.js:49)
    [setTimeout]
    0) scheduleTestFunction <omitted>
    <... skipped remaining frames ...>