ES7 Async test for sourcemaps

test.js

asyncTest().then(()=>console.log('done'));

async function asyncTest(){
  let asyncTest = await test();
}


async function test(){
    var t = new Array(10);

    for (var i = 0; i < t.length; i++) {
        test2();
    }

    return await wait(1000);    
}

function wait(time){
  return new Promise((resolve,reject)=>{
    setTimeout(resolve,time);    
  });
}

function test2(){

}