CONSOLE MESSAGE: Unhandled Promise Rejection: [object DOMError]
CONSOLE MESSAGE: Unhandled Promise Rejection: [object DOMError]
CONSOLE MESSAGE: Unhandled Promise Rejection: [object DOMError]

Harness Error (FAIL), message = The operation is not supported.

PASS video-only 
FAIL Untitled assert_true: expected true got false
PASS audio-only 
FAIL Untitled 1 assert_true: expected true got false
PASS video+audio 
FAIL Untitled 2 assert_true: expected true got false