[tee.serviceworker.https.html]
  type: testharness
  [ReadableStream teeing: rs.tee() returns an array of two ReadableStreams]
    expected: FAIL

  [ReadableStream teeing: should be able to read one branch to the end without affecting the other]
    expected: FAIL

  [ReadableStream teeing: values should be equal across each branch]
    expected: FAIL

  [ReadableStream teeing: errors in the source should propagate to both branches]
    expected: FAIL

  [ReadableStream teeing: canceling branch1 should not impact branch2]
    expected: FAIL

  [ReadableStream teeing: canceling branch2 should not impact branch2]
    expected: FAIL

  [ReadableStream teeing: canceling both branches should aggregate the cancel reasons into an array]
    expected: FAIL

  [ReadableStream teeing: failing to cancel the original stream should cause cancel() to reject on branches]
    expected: FAIL

  [ReadableStream teeing: closing the original should immediately close the branches]
    expected: FAIL

  [ReadableStream teeing: erroring the original should immediately error the branches]
    expected: FAIL

