This is a testharness.js-based test.
FAIL XMLHttpRequest: send() with a stream on which getReader() is called assert_throws: function "() => client.send(stream)" did not throw
FAIL XMLHttpRequest: send() with a stream on which read() is called assert_throws: function "() => client.send(stream)" did not throw
FAIL XMLHttpRequest: send() with a stream on which read() and releaseLock() are called assert_throws: function "() => client.send(stream)" did not throw
Harness: the test ran to completion.