1 Tests attribute and maximum allowed delay of DelayNode.
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
5 PASS context.createDelay(180) threw exception Error: NotSupportedError: DOM Exception 9.
6 PASS context.createDelay(0) threw exception Error: NotSupportedError: DOM Exception 9.
7 PASS context.createDelay(-1) threw exception Error: NotSupportedError: DOM Exception 9.
8 PASS delay.delayTime.value === 0.5 is true
9 PASS Test signal was correctly delayed by 0.5 sec.
10 PASS successfullyParsed is true