With the upcoming support for wdspec tests on Android the following test fails because the wrong platform name is assumed:

https://firefoxci.taskcluster-artifacts.net/ZudT0eAHQSKdfO1IywbDqg/1/public/logs/live_backing.log

[task 2022-03-29T12:46:02.701Z] 12:46:02     INFO - STDOUT:     @pytest.mark.skipif(platform_name is None, reason="Unsupported platform {}".format(platform_name))
[task 2022-03-29T12:46:02.701Z] 12:46:02     INFO - STDOUT:     def test_corresponds_to_local_system(new_session, add_browser_capabilities):
[task 2022-03-29T12:46:02.701Z] 12:46:02     INFO - STDOUT:         response, _ = new_session({"capabilities": {"alwaysMatch": add_browser_capabilities({})}})
[task 2022-03-29T12:46:02.702Z] 12:46:02     INFO - STDOUT:         value = assert_success(response)
[task 2022-03-29T12:46:02.702Z] 12:46:02     INFO - STDOUT: >       assert value["capabilities"]["platformName"] == platform_name
[task 2022-03-29T12:46:02.702Z] 12:46:02     INFO - STDOUT: E       AssertionError: assert 'android' == 'linux'
[task 2022-03-29T12:46:02.702Z] 12:46:02     INFO - STDOUT: E         - linux
[task 2022-03-29T12:46:02.702Z] 12:46:02     INFO - STDOUT: E         + android

We should not assume that the platformName capability will be equal to the host system. I'm going to disable this test for now via bug 1749444.