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

sdk/lib/_internal/pub_generated/test/dependency_computer/dev_transformers_test.dart

Index: sdk/lib/_internal/pub_generated/test/dependency_computer/dev_transformers_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/dependency_computer/dev_transformers_test.dart b/sdk/lib/_internal/pub_generated/test/dependency_computer/dev_transformers_test.dart
deleted file mode 100644
index 853c406f96a8d33842e4110402ee704c65f17130..0000000000000000000000000000000000000000
--- a/sdk/lib/_internal/pub_generated/test/dependency_computer/dev_transformers_test.dart
+++ /dev/null
@@ -1,88 +0,0 @@
-// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-library pub_tests;
-
-import '../descriptor.dart' as d;
-import '../test_pub.dart';
-import 'utils.dart';
-
-void main() {
-  initConfig();
-
-  integration(
-      "doesn't return a dependency's transformer that can't run on lib",
-      () {
-    d.dir(appPath, [d.pubspec({
-        "name": "myapp",
-        "dependencies": {
-          "foo": {
-            "path": "../foo"
-          }
-        }
-      })]).create();
-
-    d.dir("foo", [d.pubspec({
-        "name": "foo",
-        "version": "1.0.0",
-        "transformers": [{
-            "foo": {
-              "\$include": "test/foo_test.dart"
-            }
-          }]
-      }),
-          d.dir("lib", [d.file("foo.dart", transformer())]),
-          d.dir("test", [d.file("foo_test.dart", "")])]).create();
-
-    expectDependencies({});
-  });
-
-  integration(
-      "does return the root package's transformer that can't run on " "lib",
-      () {
-    d.dir(appPath, [d.pubspec({
-        "name": "myapp",
-        "transformers": [{
-            "myapp": {
-              "\$include": "test/myapp_test.dart"
-            }
-          }]
-      }),
-          d.dir("lib", [d.file("myapp.dart", transformer())]),
-          d.dir("test", [d.file("myapp_test.dart", "")])]).create();
-
-    expectDependencies({
-      "myapp": []
-    });
-  });
-
-  integration(
-      "doesn't return a dependency's transformer that can run on bin",
-      () {
-    d.dir(appPath, [d.pubspec({
-        "name": "myapp",
-        "dependencies": {
-          "foo": {
-            "path": "../foo"
-          }
-        }
-      })]).create();
-
-    d.dir("foo", [d.pubspec({
-        "name": "foo",
-        "version": "1.0.0",
-        "transformers": [{
-            "foo": {
-              "\$include": "bin/foo.dart"
-            }
-          }]
-      }),
-          d.dir("lib", [d.file("foo.dart", transformer())]),
-          d.dir("test", [d.file("foo_test.dart", "")])]).create();
-
-    expectDependencies({
-      "foo": []
-    });
-  });
-}