Screen Wake Lock: Add test for non-fully active doc

[marcoscaceres]

Add test for w3c/screen-wake-lock#367

[rakuco]

The test looks fine, although it seems to be checking a condition that's already covered by the other ones.

I wonder if it'd be possible to add a test for the new check being added in w3c/screen-wake-lock#367 (i.e. using window_state_context() to change the page visibility after calling request() and verifying the latter fails).

[marcoscaceres]

The test looks fine, although it seems to be checking a condition that's already covered by the other ones.

Yeah, you are right... it's a simplified version of the others as it's just a single iframe. I'm ok to keep it though as it could prove useful in case something goes wrong (easier to debug than the other ones).

I wonder if it'd be possible to add a test for the new check being added in w3c/screen-wake-lock#367 (i.e. using window_state_context() to change the page visibility after calling request() and verifying the latter fails).

Yeah, that's a good idea. However, w3c/screen-wake-lock#367 is just dealing with fully active stuff. We should have another test just for testing visibility. We should do that in separate file though, because otherwise (in webkit at least) we wouldn't be able to run this test on iOS devices, because we can't hide windows/tabs in automation on mobile.

[marcoscaceres]

Filed w3c/screen-wake-lock#373