This is a testharness.js-based test.
[FAIL] GamepadPose interface: existence and properties of interface object
assert_own_property: self does not have own property "GamepadPose" expected property "GamepadPose" missing
[FAIL] GamepadPose interface object length
assert_own_property: self does not have own property "GamepadPose" expected property "GamepadPose" missing
[FAIL] GamepadPose interface object name
assert_own_property: self does not have own property "GamepadPose" expected property "GamepadPose" missing
[FAIL] GamepadPose interface: existence and properties of interface prototype object
assert_own_property: self does not have own property "GamepadPose" expected property "GamepadPose" missing
[FAIL] GamepadPose interface: existence and properties of interface prototype object's "constructor" property
assert_own_property: self does not have own property "GamepadPose" expected property "GamepadPose" missing
[FAIL] GamepadPose interface: existence and properties of interface prototype object's @@unscopables property
assert_own_property: self does not have own property "GamepadPose" expected property "GamepadPose" missing
[FAIL] GamepadPose interface: attribute hasOrientation
assert_own_property: self does not have own property "GamepadPose" expected property "GamepadPose" missing
[FAIL] GamepadPose interface: attribute hasPosition
assert_own_property: self does not have own property "GamepadPose" expected property "GamepadPose" missing
[FAIL] GamepadPose interface: attribute position
assert_own_property: self does not have own property "GamepadPose" expected property "GamepadPose" missing
[FAIL] GamepadPose interface: attribute linearVelocity
assert_own_property: self does not have own property "GamepadPose" expected property "GamepadPose" missing
[FAIL] GamepadPose interface: attribute linearAcceleration
assert_own_property: self does not have own property "GamepadPose" expected property "GamepadPose" missing
[FAIL] GamepadPose interface: attribute orientation
assert_own_property: self does not have own property "GamepadPose" expected property "GamepadPose" missing
[FAIL] GamepadPose interface: attribute angularVelocity
assert_own_property: self does not have own property "GamepadPose" expected property "GamepadPose" missing
[FAIL] GamepadPose interface: attribute angularAcceleration
assert_own_property: self does not have own property "GamepadPose" expected property "GamepadPose" missing
[FAIL] Gamepad interface: attribute hand
assert_true: The prototype object must have a property "hand" expected true got false
[FAIL] Gamepad interface: attribute hapticActuators
assert_true: The prototype object must have a property "hapticActuators" expected true got false
[FAIL] Gamepad interface: attribute pose
assert_true: The prototype object must have a property "pose" expected true got false
[FAIL] GamepadHapticActuator interface: operation pulse(double, double)
assert_own_property: interface prototype object missing non-static operation expected property "pulse" missing
Harness: the test ran to completion.