chromium/third_party/blink/web_tests/external/wpt/fetch/api/response/response-body-read-task-handling-expected.txt

This is a testharness.js-based test.
Harness Error. harness_status.status = 1 , harness_status.message = Uncaught Error: assert_false: shouldn't have run microtasks yet expected false got true
[FAIL] reading from a body stream should occur in a microtask scope
  assert_false: shouldn't have run microtasks yet expected false got true
Harness: the test ran to completion.