Re-land beginning Dart 2.0 test migration.

tests/language_2/abstract_beats_arguments_test.dart

Index: tests/language_2/abstract_beats_arguments_test.dart
diff --git a/tests/language_2/abstract_beats_arguments_test.dart b/tests/language_2/abstract_beats_arguments_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..d6687b44572124ef648f9eeb6f9e72363e1e27e2
--- /dev/null
+++ b/tests/language_2/abstract_beats_arguments_test.dart
@@ -0,0 +1,16 @@
+// Copyright (c) 2015, 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";
+
+// TODO(rnystrom): This test should be renamed since now it's just about
+// testing that constructing an abstract class generates an error.
+
+abstract class A {
+  A() {}
+}
+
+void main() {
+  /*@compile-error=unspecified*/ new A();
+}