chromium/third_party/blink/web_tests/external/wpt/eventsource/format-mime-valid-bogus.any.js

// META: title=EventSource: incorrect valid MIME type
      var test = async_test()
      test.step(function() {
        var source = new EventSource("resources/message.py?mime=text/x-bogus")
        source.onmessage = function() {
          test.step(function() {
            assert_unreached()
            source.close()
          })
          test.done()
        }
        source.onerror = function(e) {
          test.step(function() {
            assert_equals(source.readyState, source.CLOSED)
            assert_false(e.hasOwnProperty('data'))
            assert_false(e.bubbles)
            assert_false(e.cancelable)
          })
          test.done()
        }
      })
      // This tests "fails the connection" as well as making sure a simple
      //   event is dispatched and not a MessageEvent