Ensure that clicking the tracks button when the tracks contextmenu is shown makes the contextmenu hide.

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


PASS shadowRoot.querySelector('button.tracks') became different from null
PASS shadowRoot.querySelector('button.tracks').getBoundingClientRect().width became different from 0
Tapping tracks button...
Context menu shown.
Tapping tracks button...
Context menu hidden.
Tapping tracks button...
Context menu shown.
Tapping tracks button...
Context menu hidden.
PASS successfullyParsed is true

TEST COMPLETE