[runtime] Use TLA in more tests

Enable more tests to use top level await modules.

Bug: v8:9344
Change-Id: I61c0c0205235969a43af602af327654b7e8a3dad
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2074402Reviewed-by: Sathya Gunasekaran  <gsathya@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#66726}

test/cctest/test-modules.cc

@@ -45,6 +45,9 @@ MaybeLocal<Module> ResolveCallback(Local<Context> context,
 }
 
 TEST(ModuleInstantiationFailures1) {
+  bool prev_top_level_await = i::FLAG_harmony_top_level_await;
+  for (auto top_level_await : {true, false}) {
+    i::FLAG_harmony_top_level_await = top_level_await;
     Isolate* isolate = CcTest::isolate();
     HandleScope scope(isolate);
     LocalContext env;
@@ -73,7 +76,8 @@ TEST(ModuleInstantiationFailures1) {
     // Instantiation should fail.
     {
       v8::TryCatch inner_try_catch(isolate);
-    CHECK(module->InstantiateModule(env.local(), ResolveCallback).IsNothing());
+      CHECK(
+          module->InstantiateModule(env.local(), ResolveCallback).IsNothing());
       CHECK(inner_try_catch.HasCaught());
       CHECK(inner_try_catch.Exception()->StrictEquals(v8_str("boom")));
       CHECK_EQ(Module::kUninstantiated, module->GetStatus());
@@ -100,16 +104,23 @@ TEST(ModuleInstantiationFailures1) {
     // Instantiation should fail because a sub-module fails to resolve.
     {
       v8::TryCatch inner_try_catch(isolate);
-    CHECK(module->InstantiateModule(env.local(), ResolveCallback).IsNothing());
+      CHECK(
+          module->InstantiateModule(env.local(), ResolveCallback).IsNothing());
       CHECK(inner_try_catch.HasCaught());
       CHECK(inner_try_catch.Exception()->StrictEquals(v8_str("boom")));
       CHECK_EQ(Module::kUninstantiated, module->GetStatus());
     }
 
     CHECK(!try_catch.HasCaught());
+  }
+  i::FLAG_harmony_top_level_await = prev_top_level_await;
 }
 
 TEST(ModuleInstantiationFailures2) {
+  bool prev_top_level_await = i::FLAG_harmony_top_level_await;
+  for (auto top_level_await : {true, false}) {
+    i::FLAG_harmony_top_level_await = top_level_await;
+
     Isolate* isolate = CcTest::isolate();
     HandleScope scope(isolate);
     LocalContext env;
@@ -186,6 +197,8 @@ TEST(ModuleInstantiationFailures2) {
       CHECK_EQ(Module::kInstantiated, dep1->GetStatus());
       CHECK_EQ(Module::kUninstantiated, dep2->GetStatus());
     }
+  }
+  i::FLAG_harmony_top_level_await = prev_top_level_await;
 }
 
 static MaybeLocal<Module> CompileSpecifierAsModuleResolveCallback(