Checks that async stacks works for async/await
foo2 (test.js:15:2)
-- async function --
foo2 (test.js:13:19)
test (test.js:24:8)
(anonymous) (expr.js:0:0)

foo2 (test.js:17:2)
-- async function --
foo2 (test.js:13:19)
test (test.js:24:8)
(anonymous) (expr.js:0:0)

foo1 (test.js:9:2)
foo2 (test.js:18:8)
-- async function --
foo2 (test.js:13:19)
test (test.js:24:8)
(anonymous) (expr.js:0:0)

foo1 (test.js:9:2)
-- Promise.then --
foo2 (test.js:19:43)
-- async function --
foo2 (test.js:13:19)
test (test.js:24:8)
(anonymous) (expr.js:0:0)

foo2 (test.js:20:2)
-- async function --
foo2 (test.js:13:19)
test (test.js:24:8)
(anonymous) (expr.js:0:0)

{
    id : <messageId>
    result : {
        result : {
            type : undefined
        }
    }
}