1 Tests that it's okay to unregister the event listener while handling the event.
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
6 PASS connection.type is newConnectionType
7 PASS connection.downlinkMax is newDownlinkMax
8 PASS connection.type is initialType
9 PASS connection.downlinkMax is initialDownlinkMax
10 PASS successfullyParsed is true