This tests that requestIdleCallback identifier starts from 1 in each document.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


PASS requestIdleCallback(() => { }) is 1
PASS requestIdleCallback(() => { }) is 2
PASS iframe1.contentWindow.requestIdleCallback(() => { }) is 1
PASS iframe2.contentWindow.requestIdleCallback(() => { }) is 1
PASS iframe1.contentWindow.requestIdleCallback(() => { }) is 2
PASS iframe1.contentWindow.requestIdleCallback(() => { }) is 3
PASS iframe2.contentWindow.requestIdleCallback(() => { }) is 2
PASS successfullyParsed is true

TEST COMPLETE