This is a testharness.js-based test.
Found 12 FAIL, 0 TIMEOUT, 0 NOTRUN.
[FAIL] WebGLRenderingContext includes WebGLRenderingContextOverloads: member names are unique
  assert_true: member bufferData is unique expected true got false
[FAIL] XRFrame interface: attribute predictedDisplayTime
  assert_true: The prototype object must have a property "predictedDisplayTime" expected true got false
[FAIL] XRInputSource interface: attribute skipRendering
  assert_true: The prototype object must have a property "skipRendering" expected true got false
[FAIL] XRWebGLLayer interface: attribute fixedFoveation
  assert_true: The prototype object must have a property "fixedFoveation" expected true got false
[FAIL] XRWebGLLayer interface: xrWebGLLayer must inherit property "fixedFoveation" with the proper type
  assert_inherits: property "fixedFoveation" not found in prototype chain
[FAIL] XRPermissionStatus interface: existence and properties of interface object
  assert_own_property: self does not have own property "XRPermissionStatus" expected property "XRPermissionStatus" missing
[FAIL] XRPermissionStatus interface object length
  assert_own_property: self does not have own property "XRPermissionStatus" expected property "XRPermissionStatus" missing
[FAIL] XRPermissionStatus interface object name
  assert_own_property: self does not have own property "XRPermissionStatus" expected property "XRPermissionStatus" missing
[FAIL] XRPermissionStatus interface: existence and properties of interface prototype object
  assert_own_property: self does not have own property "XRPermissionStatus" expected property "XRPermissionStatus" missing
[FAIL] XRPermissionStatus interface: existence and properties of interface prototype object's "constructor" property
  assert_own_property: self does not have own property "XRPermissionStatus" expected property "XRPermissionStatus" missing
[FAIL] XRPermissionStatus interface: existence and properties of interface prototype object's @@unscopables property
  assert_own_property: self does not have own property "XRPermissionStatus" expected property "XRPermissionStatus" missing
[FAIL] XRPermissionStatus interface: attribute granted
  assert_own_property: self does not have own property "XRPermissionStatus" expected property "XRPermissionStatus" missing
Harness: the test ran to completion.