Migrated test block 27 to Dart 2.0.

tests/corelib_2/string_base_vm_static_test.dart

Index: tests/corelib_2/string_base_vm_static_test.dart
diff --git a/tests/corelib_2/string_base_vm_static_test.dart b/tests/corelib_2/string_base_vm_static_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..a7be6225be9341be38aa05805ab26284cc5e6be8
--- /dev/null
+++ b/tests/corelib_2/string_base_vm_static_test.dart
@@ -0,0 +1,10 @@
+// Copyright (c) 2017, 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.
+// Dart test program for testing class 'StringBase' (currently VM specific).
+
+import "package:expect/expect.dart";
+
+void main() {
+  String s4 = new String.fromCharCodes([0.0]); /*@compile-error=unspecified*/

[Bob Nystrom, 2017/07/21 23:00:31]

Nit: I'd move the comment to here:

String s4 = new String.fromCharCodes([/*@compile-error=unspecified*/0.0]);

+}