misc(tests): add comment to explain assertTraceEventsEqual [skip ci]
misc(tests): add comment to explain assertTraceEventsEqual
[skip ci]

wardpeet/lighthouse,deepanjanroy/lighthouse,mixed/lighthouse,GoogleChrome/lighthouse,wardpeet/lighthouse,mixed/lighthouse,GoogleChrome/lighthouse,GoogleChrome/lighthouse,ev1stensberg/lighthouse,deepanjanroy/lighthouse,umaar/lighthouse,wardpeet/lighthouse,ev1stensberg/lighthouse,deepanjanroy/lighthouse,deepanjanroy/lighthouse,umaar/lighthouse,deepanjanroy/lighthouse,ev1stensberg/lighthouse,wardpeet/lighthouse,ev1stensberg/lighthouse,GoogleChrome/lighthouse,GoogleChrome/lighthouse,mixed/lighthouse,umaar/lighthouse,wardpeet/lighthouse,umaar/lighthouse,mixed/lighthouse