1 CONSOLE WARNING: Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user's experience. For more help, check http://xhr.spec.whatwg.org/.
2 XMLHttpRequest.open() should be correctly overloaded
4 PASS: if async argument is true, send() should behave asynchronously
5 PASS: if async argument is false, send() should behave synchronously
6 PASS: if async argument is not given, send() should behave like as async=true
7 PASS: if async argument is undefined, send() should behave like as async=false
8 PASS: if async argument is a non-empty string, send() should behave like as async=true