Some new/fixed async tests

src/js/promise.js

Index: src/js/promise.js
diff --git a/src/js/promise.js b/src/js/promise.js
index 361a5d1d767426ca03f589a58cd62503f1e6f3fd..1295363d97f65fd6e14f7ca3fa86f9c79b61093e 100644
--- a/src/js/promise.js
+++ b/src/js/promise.js
@@ -278,7 +278,9 @@ function ResolvePromise(promise, resolution) {
 
     if (IS_CALLABLE(then)) {
       // PromiseResolveThenableJob
-      var id, name, instrumenting = DEBUG_IS_ACTIVE;
+      var id;
+      var name = "PromiseResolveThenableJob";
+      var instrumenting = DEBUG_IS_ACTIVE;
       %EnqueueMicrotask(function() {
         if (instrumenting) {
           %DebugAsyncTaskEvent({ type: "willHandle", id: id, name: name });
@@ -295,7 +297,6 @@ function ResolvePromise(promise, resolution) {
       });
       if (instrumenting) {
         id = ++lastMicrotaskId;
-        name = "PromseResolveThenableJob";
         %DebugAsyncTaskEvent({ type: "enqueue", id: id, name: name });
       }
       return;