Issue #2234 - Part 3: Update tests

Based on https://bugzilla.mozilla.org/show_bug.cgi?id=1402649 and https://bugzilla.mozilla.org/show_bug.cgi?id=1382306

js/src/jit-test/tests/modules/bug-1402649.js

@@ -0,0 +1,15 @@
+if (!('oomTest' in this))
+   quit();
+
+loadFile(`
+function parseAndEvaluate(source) {
+    let m = parseModule(source);
+    m.declarationInstantiation();
+}
+parseAndEvaluate("async function a() { await 2 + 3; }")
+`);
+function loadFile(lfVarx) {
+    oomTest(function() {
+        eval(lfVarx);
+    });
+}

js/src/tests/ecma_2017/AsyncFunctions/async-function-declaration-in-modules.js

@@ -0,0 +1,13 @@
+// |reftest| module
+
+async function f() {
+    return "success";
+}
+
+var AsyncFunction = (async function(){}).constructor;
+
+assertEq(f instanceof AsyncFunction, true);
+
+f().then(v => {
+    reportCompare("success", v);
+});

js/src/tests/ecma_2018/AsyncGenerators/async-generator-declaration-in-modules.js

@@ -0,0 +1,13 @@
+// |reftest| module skip-if(release_or_beta)
+
+async function* f() {
+    return "success";
+}
+
+var AsyncGenerator = (async function*(){}).constructor;
+
+assertEq(f instanceof AsyncGenerator, true);
+
+f().next().then(v => {
+    reportCompare("success", v.value);
+});