This is a testharness.js-based test.
[FAIL] environmentBlendMode is correct for a VR device in immersive - webgl
promise_test: Unhandled rejection with value: object "TypeError: Cannot read properties of null (reading 'makeXRCompatible')"
[FAIL] environmentBlendMode is correct for a VR device in immersive - webgl2
promise_test: Unhandled rejection with value: object "TypeError: Cannot read properties of null (reading 'makeXRCompatible')"
[FAIL] environmentBlendMode is correct for a VR device in non-immersive - webgl
promise_test: Unhandled rejection with value: object "TypeError: Cannot read properties of null (reading 'makeXRCompatible')"
[FAIL] environmentBlendMode is correct for a VR device in non-immersive - webgl2
promise_test: Unhandled rejection with value: object "TypeError: Cannot read properties of null (reading 'makeXRCompatible')"
Harness: the test ran to completion.