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

sdk/lib/_internal/pub_generated/test/dependency_override_test.dart

Index: sdk/lib/_internal/pub_generated/test/dependency_override_test.dart
diff --git a/sdk/lib/_internal/pub/test/dependency_override_test.dart b/sdk/lib/_internal/pub_generated/test/dependency_override_test.dart
similarity index 82%
copy from sdk/lib/_internal/pub/test/dependency_override_test.dart
copy to sdk/lib/_internal/pub_generated/test/dependency_override_test.dart
index 4e47e24f6a9aafa2da9d4277b47ae6ca00fe4d0c..51eef32407ed02a9781a9ace6690b2696d7fc814 100644
--- a/sdk/lib/_internal/pub/test/dependency_override_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/dependency_override_test.dart
@@ -17,8 +17,7 @@ main() {
         builder.serve("foo", "3.0.0");
       });
 
-      d.dir(appPath, [
-        d.pubspec({
+      d.dir(appPath, [d.pubspec({
           "name": "myapp",
           "dependencies": {
             "foo": ">2.0.0"
@@ -26,8 +25,7 @@ main() {
           "dependency_overrides": {
             "foo": "<3.0.0"
           }
-        })
-      ]).create();
+        })]).create();
 
       pubCommand(command);
 
@@ -41,14 +39,12 @@ main() {
         builder.serve("foo", "1.0.0");
       });
 
-      d.dir(appPath, [
-        d.pubspec({
+      d.dir(appPath, [d.pubspec({
           "name": "myapp",
           "dependency_overrides": {
             "foo": "any"
           }
-        })
-      ]).create();
+        })]).create();
 
       pubCommand(command);
 
@@ -63,12 +59,13 @@ main() {
         builder.serve("foo", "2.0.0");
         builder.serve("foo", "3.0.0");
         builder.serve("bar", "1.0.0", pubspec: {
-          "dependencies": {"foo": "5.0.0-nonexistent"}
+          "dependencies": {
+            "foo": "5.0.0-nonexistent"
+          }
         });
       });
 
-      d.dir(appPath, [
-        d.pubspec({
+      d.dir(appPath, [d.pubspec({
           "name": "myapp",
           "dependencies": {
             "bar": "any"
@@ -76,8 +73,7 @@ main() {
           "dependency_overrides": {
             "foo": "<3.0.0"
           }
-        })
-      ]).create();
+        })]).create();
 
       pubCommand(command);
 
@@ -93,26 +89,22 @@ main() {
         builder.serve("bar", "1.0.0");
       });
 
-      d.dir("baz", [
-        d.libDir("baz"),
-        d.libPubspec("baz", "0.0.1")
-      ]).create();
+      d.dir("baz", [d.libDir("baz"), d.libPubspec("baz", "0.0.1")]).create();
 
-      d.dir(appPath, [
-        d.pubspec({
+      d.dir(appPath, [d.pubspec({
           "name": "myapp",
           "dependency_overrides": {
             "foo": "any",
             "bar": "any",
-            "baz": {"path": "../baz"}
+            "baz": {
+              "path": "../baz"
+            }
           }
-        })
-      ]).create();
+        })]).create();
 
       var bazPath = path.join("..", "baz");
 
-      schedulePub(args: [command.name], output: command.success, error:
-          """
+      schedulePub(args: [command.name], output: command.success, error: """
           Warning: You are using these overridden dependencies:
           ! bar 1.0.0
           ! baz 0.0.1 from path $bazPath
@@ -120,4 +112,4 @@ main() {
           """);
     });
   });
-}
+}