This is a testharness.js-based test.
[FAIL] XRFrame getViewerPose updates on the next frame for non-immersive sessions - webgl
promise_test: Unhandled rejection with value: object "TypeError: Cannot read properties of null (reading 'makeXRCompatible')"
[FAIL] XRFrame getViewerPose updates on the next frame for non-immersive sessions - webgl2
promise_test: Unhandled rejection with value: object "TypeError: Cannot read properties of null (reading 'makeXRCompatible')"
[FAIL] XRFrame getViewerPose updates on the next frame for immersive sessions - webgl
promise_test: Unhandled rejection with value: object "TypeError: Cannot read properties of null (reading 'makeXRCompatible')"
[FAIL] XRFrame getViewerPose updates on the next frame for immersive sessions - webgl2
promise_test: Unhandled rejection with value: object "TypeError: Cannot read properties of null (reading 'makeXRCompatible')"
Harness: the test ran to completion.