Intermittent timeout in /_mozilla/mozilla/worklets/test_paint_worklet_loading.html

[jdm]

  ▶ TIMEOUT [expected OK] /_mozilla/mozilla/worklets/test_paint_worklet_loading.html
  │ 
  │ VMware, Inc.
  │ softpipe
  │ 3.3 (Core Profile) Mesa 18.1.0-devel
  │ ERROR 2018-05-19T17:13:02Z: script::dom::bindings::error: Error at :1:8 missing ; before statement
  │ ERROR 2018-05-19T17:13:03Z: script::dom::bindings::error: Error at :1:8 missing ; before statement
  │ ERROR 2018-05-19T17:13:03Z: script::dom::bindings::error: Error at :1:1 expected expression, got ']'
  │ ERROR 2018-05-19T17:13:03Z: script::dom::bindings::error: Error at :1:8 missing ; before statement
  │ ERROR 2018-05-19T17:13:03Z: script::dom::bindings::error: Error at :1:1 expected expression, got ']'
  │ ERROR 2018-05-19T17:13:04Z: script::dom::bindings::error: Error at :1:7
  │ ERROR 2018-05-19T17:13:04Z: script::dom::bindings::error: Error at :1:1 expected expression, got ']'
  │ ERROR 2018-05-19T17:13:04Z: script::dom::bindings::error: Error at :1:7
  │ ERROR 2018-05-19T17:13:04Z: script::dom::bindings::error: Error at :0:0 InvalidModificationError: The object can not be modified in this way.
  │ ERROR 2018-05-19T17:13:05Z: script::dom::bindings::error: Error at :1:7
  │ ERROR 2018-05-19T17:13:05Z: script::dom::bindings::error: Error at :0:0 InvalidModificationError: The object can not be modified in this way.
  │ ERROR 2018-05-19T17:13:05Z: script::dom::bindings::error: Error at :1:1 Empty paint name.
  │ ERROR 2018-05-19T17:13:06Z: script::dom::bindings::error: Error at :0:0 InvalidModificationError: The object can not be modified in this way.
  │ ERROR 2018-05-19T17:13:06Z: script::dom::bindings::error: Error at :1:1 Empty paint name.
  │ ERROR 2018-05-19T17:13:07Z: script::dom::bindings::error: Error at :2:42
  │ ERROR 2018-05-19T17:13:07Z: script::dom::bindings::error: Error at :1:1 Empty paint name.
  │ ERROR 2018-05-19T17:13:07Z: script::dom::bindings::error: Error at :2:42
  │ ERROR 2018-05-19T17:13:08Z: script::dom::bindings::error: Error at :2:41
  │ ERROR 2018-05-19T17:13:08Z: script::dom::bindings::error: Error at :2:32
  │ ERROR 2018-05-19T17:13:08Z: script::dom::bindings::error: Error at :2:42
  │ ERROR 2018-05-19T17:13:08Z: script::dom::bindings::error: Error at :2:41
  │ ERROR 2018-05-19T17:13:08Z: script::dom::bindings::error: Error at :2:32
  │ ERROR 2018-05-19T17:13:09Z: script::dom::bindings::error: Error at :1:1 Paint function is not callable.
  │ ERROR 2018-05-19T17:13:09Z: script::dom::bindings::error: Error at :2:41
  └ ERROR 2018-05-19T17:13:09Z: script::dom::bindings::error: Error at :2:32

  ▶ Unexpected subtest result in /_mozilla/mozilla/worklets/test_paint_worklet_loading.html:
  │ TIMEOUT [expected PASS] Loading a paint worklet with no paint.
  └   → Test timed out

  ▶ Unexpected subtest result in /_mozilla/mozilla/worklets/test_paint_worklet_loading.html:
  └ NOTRUN [expected PASS] Loading a paint worklet with a paint that is not callable.

The output suggests that the worklet content received was not actually the expected content.