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

sdk/lib/_internal/pub_generated/test/get/relative_symlink_test.dart

Index: sdk/lib/_internal/pub_generated/test/get/relative_symlink_test.dart
diff --git a/sdk/lib/_internal/pub/test/get/relative_symlink_test.dart b/sdk/lib/_internal/pub_generated/test/get/relative_symlink_test.dart
similarity index 61%
copy from sdk/lib/_internal/pub/test/get/relative_symlink_test.dart
copy to sdk/lib/_internal/pub_generated/test/get/relative_symlink_test.dart
index d5930006302a26eca333339a759c4b409b65e4ef..a413c3aec5a234b5f60de9471eb5bce2bbb274b2 100644
--- a/sdk/lib/_internal/pub/test/get/relative_symlink_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/get/relative_symlink_test.dart
@@ -18,43 +18,35 @@ main() {
 
   initConfig();
   integration('uses a relative symlink for the self link', () {
-    d.dir(appPath, [
-      d.appPubspec(),
-      d.libDir('foo')
-    ]).create();
+    d.dir(appPath, [d.appPubspec(), d.libDir('foo')]).create();
 
     pubGet();
 
     scheduleRename(appPath, "moved");
 
-    d.dir("moved", [
-      d.dir("packages", [
-        d.dir("myapp", [
-          d.file('foo.dart', 'main() => "foo";')
-        ])
-      ])
-    ]).validate();
+    d.dir(
+        "moved",
+        [
+            d.dir(
+                "packages",
+                [d.dir("myapp", [d.file('foo.dart', 'main() => "foo";')])])]).validate();
   });
 
   integration('uses a relative symlink for secondary packages directory', () {
-    d.dir(appPath, [
-      d.appPubspec(),
-      d.libDir('foo'),
-      d.dir("bin")
-    ]).create();
+    d.dir(appPath, [d.appPubspec(), d.libDir('foo'), d.dir("bin")]).create();
 
     pubGet();
 
     scheduleRename(appPath, "moved");
 
-    d.dir("moved", [
-      d.dir("bin", [
-        d.dir("packages", [
-          d.dir("myapp", [
-            d.file('foo.dart', 'main() => "foo";')
-          ])
-        ])
-      ])
-    ]).validate();
+    d.dir(
+        "moved",
+        [
+            d.dir(
+                "bin",
+                [
+                    d.dir(
+                        "packages",
+                        [d.dir("myapp", [d.file('foo.dart', 'main() => "foo";')])])])]).validate();
   });
 }