Unblock CI: Ignore deprecation and skip a test

[natebosch]

Unblock CI until these can be migrated and fixed.

[github-actions]

PR Health

[kevmoo]

Or, you know, we could fix these! 😄

[kevmoo]

At least a TODO and an open issue to migrate?

[natebosch]

At least a TODO and an open issue to migrate?

#2447

I don't see value in a TODO when a grep for dart:js_util already has 100% fidelity.

[natebosch]

Holding back the recompile since that is triggering some other CI bug

[natebosch]

hmm, I didn't know that we don't support making configuration specific to an OS when it's running on the browser... I thought that was possible but when we evaluate the OnPlatform selectors the browser tests always treat the OS as empty.

test/pkgs/test_api/lib/src/backend/suite_platform.dart

Lines 41 to 43 in f364fc8

	if (runtime.isBrowser && os != OperatingSystem.none) {
	throw ArgumentError('No OS should be passed for runtime "$runtime".');
	}

[natebosch]

linux firefox tests are also not working, we can skip these entirely on firefox for now to get unblocked.