firefox/testing/web-platform/meta/webxr/xrSession_cancelAnimationFrame.https.html.ini

[xrSession_cancelAnimationFrame.https.html]
  [XRSession requestAnimationFrame callbacks can be unregistered with cancelAnimationFrame for immersive sessions - webgl]
    expected: FAIL

  [XRSession requestAnimationFrame callbacks can be unregistered with cancelAnimationFrame for non-immersive sessions - webgl2]
    expected: FAIL

  [XRSession requestAnimationFrame callbacks can be unregistered with cancelAnimationFrame for non-immersive sessions - webgl]
    expected: FAIL

  [XRSession requestAnimationFrame callbacks can be unregistered with cancelAnimationFrame for immersive sessions - webgl2]
    expected: FAIL