[xr_viewport_scale.https.html]
  [requestViewportScale applied next frame for immersive-vr session - webgl]
    expected: PRECONDITION_FAILED

  [requestViewportScale same frame for inline session - webgl]
    expected: PRECONDITION_FAILED

  [requestViewportScale same frame for immersive-vr session - webgl]
    expected: PRECONDITION_FAILED

  [requestViewportScale applied next frame for immersive-vr session - webgl2]
    expected: PRECONDITION_FAILED

  [requestViewportScale applied next frame for inline session - webgl]
    expected: PRECONDITION_FAILED

  [requestViewportScale same frame for immersive-vr session - webgl2]
    expected: PRECONDITION_FAILED

  [requestViewportScale same frame for inline session - webgl2]
    expected: PRECONDITION_FAILED

  [requestViewportScale applied next frame for inline session - webgl2]
    expected: PRECONDITION_FAILED