Revert "Use native async/await support in pub."

sdk/lib/_internal/pub_generated/test/get/hosted/get_test.dart

Index: sdk/lib/_internal/pub_generated/test/get/hosted/get_test.dart
diff --git a/sdk/lib/_internal/pub/test/get/hosted/get_test.dart b/sdk/lib/_internal/pub_generated/test/get/hosted/get_test.dart
similarity index 69%
copy from sdk/lib/_internal/pub/test/get/hosted/get_test.dart
copy to sdk/lib/_internal/pub_generated/test/get/hosted/get_test.dart
index 58890c818377599f3a60f623bfa8f7797e6b0057..97b563081381dc5e0f889f928363c4e76cc0acbe 100644
--- a/sdk/lib/_internal/pub/test/get/hosted/get_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/get/hosted/get_test.dart
@@ -13,22 +13,30 @@ main() {
   integration('gets a package from a pub server', () {
     servePackages((builder) => builder.serve("foo", "1.2.3"));
 
-    d.appDir({"foo": "1.2.3"}).create();
+    d.appDir({
+      "foo": "1.2.3"
+    }).create();
 
     pubGet();
 
-    d.cacheDir({"foo": "1.2.3"}).validate();
-    d.packagesDir({"foo": "1.2.3"}).validate();
+    d.cacheDir({
+      "foo": "1.2.3"
+    }).validate();
+    d.packagesDir({
+      "foo": "1.2.3"
+    }).validate();
   });
 
   integration('URL encodes the package name', () {
     serveNoPackages();
 
-    d.appDir({"bad name!": "1.2.3"}).create();
+    d.appDir({
+      "bad name!": "1.2.3"
+    }).create();
 
     pubGet(
         error: new RegExp(
-          r"Could not find package bad name! at http://localhost:\d+\."),
+            r"Could not find package bad name! at http://localhost:\d+\."),
         exitCode: exit_codes.UNAVAILABLE);
   });
 }