Move the transformer tests.

sdk/lib/_internal/pub/test/serve/detects_a_transformer_cycle.dart

Index: sdk/lib/_internal/pub/test/serve/detects_a_transformer_cycle.dart
diff --git a/sdk/lib/_internal/pub/test/serve/detects_a_transformer_cycle.dart b/sdk/lib/_internal/pub/test/serve/detects_a_transformer_cycle.dart
deleted file mode 100644
index 192b348d5885deb40cb097f93f2233a45c44b803..0000000000000000000000000000000000000000
--- a/sdk/lib/_internal/pub/test/serve/detects_a_transformer_cycle.dart
+++ /dev/null
@@ -1,49 +0,0 @@
-// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS d.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 'package:scheduled_test/scheduled_test.dart';
-
-import '../descriptor.dart' as d;
-import '../test_pub.dart';
-import 'utils.dart';
-
-main() {
-  initConfig();
-  integration("detects a transformer cycle", () {
-    d.dir("foo", [
-      d.pubspec({
-        "name": "foo",
-        "version": "1.0.0",
-        "transformers": ["myapp/transformer"],
-        "dependencies": {'myapp': {'path': '../myapp'}}
-      }),
-      d.dir("lib", [
-        d.file("transformer.dart", dartTransformer('foo')),
-      ])
-    ]).create();
-
-    d.dir(appPath, [
-      d.pubspec({
-        "name": "myapp",
-        "transformers": ["foo/transformer"],
-        "dependencies": {'foo': {'path': '../foo'}}
-      }),
-      d.dir("lib", [
-        d.file("transformer.dart", dartTransformer('myapp')),
-      ])
-    ]).create();
-
-    createLockFile('myapp', sandbox: ['foo'], pkg: ['barback']);
-
-    // Use port 0 to get an ephemeral port.
-    var process = startPub(args: ["serve", "--port=0", "--hostname=127.0.0.1"]);
-    process.shouldExit(1);
-    expect(process.remainingStderr(), completion(equals(
-        "Transformer cycle detected:\n"
-        "  foo is transformed by myapp/transformer\n"
-        "  myapp is transformed by foo/transformer")));
-  });
-}