This is a testharness.js-based test.
[FAIL] decoding one UTF-8 chunk should give one output string - SharedArrayBuffer
  promise_test: Unhandled rejection with value: object "TypeError: The provided ArrayBufferView value must not be shared."
[FAIL] decoding an empty chunk should give no output chunks - SharedArrayBuffer
  promise_test: Unhandled rejection with value: object "TypeError: The provided ArrayBufferView value must not be shared."
[FAIL] an initial empty chunk should be ignored - SharedArrayBuffer
  promise_test: Unhandled rejection with value: object "TypeError: The provided ArrayBufferView value must not be shared."
[FAIL] a trailing empty chunk should be ignored - SharedArrayBuffer
  promise_test: Unhandled rejection with value: object "TypeError: The provided ArrayBufferView value must not be shared."
[FAIL] UTF-8 EOF handling - SharedArrayBuffer
  promise_test: Unhandled rejection with value: object "TypeError: The provided ArrayBufferView value must not be shared."
Harness: the test ran to completion.