test rename overhaul: step 14 - vm tests

runtime/tests/vm/dart/isolate_mirror_busy_test.dart

 // Copyright (c) 2012, 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 checking implemention of IsolateMirror.
 
-#library('IsolateMirrorBusyTest');
+#library('isolate_mirror_busy_test');
 
 #import('dart:isolate');
 #import('dart:mirrors');
 
 class BusyIsolate extends Isolate {
   void busy() {
     // TODO(turnidge): Get rid of this function once we check for
     // interrupts on backwards branches.
   }
   void main() {
     while (true) {
       busy();
     }
   }
 }
 
 void testIsolateMirror(port) {
   isolateMirrorOf(port).then((IsolateMirror mirror) {
       Expect.isTrue(mirror.debugName.contains("BusyIsolate"));
     });
 }
 
 void main() {
   // Test that I can reflect on a busy isolate.
   new BusyIsolate().spawn().then(testIsolateMirror);
 }