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

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

Index: sdk/lib/_internal/pub_generated/test/get/path/relative_symlink_test.dart
diff --git a/sdk/lib/_internal/pub/test/get/path/relative_symlink_test.dart b/sdk/lib/_internal/pub_generated/test/get/path/relative_symlink_test.dart
similarity index 66%
copy from sdk/lib/_internal/pub/test/get/path/relative_symlink_test.dart
copy to sdk/lib/_internal/pub_generated/test/get/path/relative_symlink_test.dart
index ab1b99f7f595021f274e55f1e7d56070e4dda118..f5ec3a3941aa0c5e17494903a12a9710b4729c6f 100644
--- a/sdk/lib/_internal/pub/test/get/path/relative_symlink_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/get/path/relative_symlink_test.dart
@@ -17,18 +17,17 @@ main() {
   if (Platform.operatingSystem == "windows") return;
 
   initConfig();
-  integration("generates a symlink with a relative path if the dependency "
-              "path was relative", () {
-    d.dir("foo", [
-      d.libDir("foo"),
-      d.libPubspec("foo", "0.0.1")
-    ]).create();
-
-    d.dir(appPath, [
-      d.appPubspec({
-        "foo": {"path": "../foo"}
-      })
-    ]).create();
+  integration(
+      "generates a symlink with a relative path if the dependency "
+          "path was relative",
+      () {
+    d.dir("foo", [d.libDir("foo"), d.libPubspec("foo", "0.0.1")]).create();
+
+    d.dir(appPath, [d.appPubspec({
+        "foo": {
+          "path": "../foo"
+        }
+      })]).create();
 
     pubGet();
 
@@ -39,12 +38,11 @@ main() {
     scheduleRename("foo", path.join("moved", "foo"));
     scheduleRename(appPath, path.join("moved", appPath));
 
-    d.dir("moved", [
-      d.dir(packagesPath, [
-        d.dir("foo", [
-          d.file("foo.dart", 'main() => "foo";')
-        ])
-      ])
-    ]).validate();
+    d.dir(
+        "moved",
+        [
+            d.dir(
+                packagesPath,
+                [d.dir("foo", [d.file("foo.dart", 'main() => "foo";')])])]).validate();
   });
 }