The values for spoofVendorID/spoofDeviceID should match entries in test_gfxBlacklist_AllOS.json. These entries were added in https://hg.mozilla.org/mozilla-central/rev/21263fbfdcc2 but inadvertently not updated (because the test was disabled). Fixing that enables the test to use the expected entries. Several test expectations were no longer correct for Android and have been updated as well.
Bug 1714673 Comment 5 Edit History
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The values for spoofVendorID/spoofDeviceID should match entries in test_gfxBlacklist_AllOS.json. These entries were added in https://hg.mozilla.org/mozilla-central/rev/21263fbfdcc2 (bug 1274152) but inadvertently not updated (because the test was disabled). Fixing that enables the test to use the expected entries. Several test expectations were no longer correct for Android and have been updated as well.