Migrate first block of tests in standalone to standalone_2

tests/standalone/deferred_transitive_import_error_test.dart

-// Copyright (c) 2016, 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.
-
-import "package:expect/expect.dart";
-// A deferred library that doesn't exist.
-import 'package:foo/foo.dart' deferred as foo;
-// A deferred library that does exist.
-import 'deferred/exists.dart' deferred as exists;
-// A deferred library that transitively will fail due to a file not found.
-import 'deferred/transitive_error.dart' deferred as te;
-
-main() async {
-  // Attempt to load foo which will fail.
-  var fooError;
-  await foo.loadLibrary().catchError((e) {
-    fooError = e;
-  });
-  Expect.isNotNull(fooError);
-  await exists.loadLibrary();
-  Expect.equals(99, exists.x);
-  /* TODO(johnmccutchan): Implement transitive error reporting.
-  var teError;
-  await te.loadLibrary().catchError((e) {
-    teError = e;
-  });
-  Expect.isNotNull(teError);
-  */
-}