This is because we don't download the CDM locally. The testing environment sets up bogus URLs to ensure that we don't try and download the CDM from. I'd hope we could improve this in the past, but I've found it difficult to get eyeballs from those more familiar with the testing environments to help understand what can be done. I would like if we could have a test step that downloads the CDM before running these tests, or fails if it's unable to download the CDM and explicitly indicates that the download failed and that's why the tests failed. The testing machines would also need to reach the Widevine license servers. I'd previously created bug 1573919 to investigate this, and will mark this as blocking that. James, do you know of anyone familiar with the wpt harness that I can talk to about if improving our support here is possible?
Bug 1599100 Comment 1 Edit History
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This is because we don't download the CDM locally. The testing environment sets up bogus URLs to ensure that we won't download the CDM. I'd hope we could improve this in the past, but I've found it difficult to get eyeballs from those more familiar with the testing environments to help understand what can be done. I would like if we could have a test step that downloads the CDM before running these tests, or fails if it's unable to download the CDM and explicitly indicates that the download failed and that's why the tests failed. The testing machines would also need to reach the Widevine license servers. I'd previously created bug 1573919 to investigate this, and will mark this as blocking that. James, do you know of anyone familiar with the wpt harness that I can talk to about if improving our support here is possible?