Move VM-specific part of a test into a separate vm_test file.

tests/language/no_such_method_dispatcher_test.dart

 // Copyright (c) 2013, 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.
 // VMOptions=--optimization-counter-threshold=10 --no-use-osr
 
 import "package:expect/expect.dart";
 
 // Test that noSuchMethod dispatching and auto-closurization work correctly.
 
 class A {
   noSuchMethod(m) {
     return 123;
   }
   bar(x) => x + 1;
 }
 
 class B extends A { }
 
-
-call_bar(x) => x.bar();
-
-testMessage() {
-  try {
-    call_bar(5);
-  } catch (e) {
-    Expect.isTrue(e.toString().indexOf("method not found") != -1);
-  }
-}
-
 class C {
   C(this.pos, this.named, this.posArgs, this.namedArgs);
   var pos, named;
   noSuchMethod(m) {
     Expect.equals(pos, m.positionalArguments.length);
     Expect.equals(named, m.namedArguments.length);
     for (var i = 0; i < posArgs.length; ++i) {
       Expect.equals(posArgs[i], m.positionalArguments[i]);
     }
     for (var k in namedArgs.keys) {
@@ skipping 22 matching lines @@
     Expect.equals(123, b.bar(1,2,3));
     Expect.equals(123, b.bar(1,2,foo:3));
   }
 
   // Test named and positional arguments.
   var c = new C(1, 2, [100], {"n1":101, "n2":102});
   for (var i = 0; i < 20; ++i) {
     Expect.equals(123, c.bar(100, n1:101, n2:102));
     Expect.equals(123, c.bar(100, n2:102, n1:101));
   }
-
-  // Test NoSuchMethodError message.
-  for (var i = 0; i < 20; i++) testMessage();
-
 }