fix vm test configuration to specify vm/cc

tools/testing/dart/test_suite.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.
 
 /**
  * Classes and methods for enumerating and preparing tests.
  *
  * This library includes:
  *
  * - Creating tests by listing all the Dart files in certain directories,
@@ skipping 82 matching lines @@
  * A specialized [TestSuite] that runs tests written in C to unit test
  * the Dart virtual machine and its API.
  *
  * The tests are compiled into a monolithic executable by the build step.
  * The executable lists its tests when run with the --list command line flag.
  * Individual tests are run by specifying them on the command line.
  */
 class CCTestSuite implements TestSuite {
   Map configuration;
   final String suiteName;
+  final String testPrefix;
   String runnerPath;
   final String dartDir;
   List<String> statusFilePaths;
   Function doTest;
   Function doDone;
   ReceivePort receiveTestName;
   TestExpectations testExpectations;
 
   CCTestSuite(Map this.configuration,
               String this.suiteName,
               String runnerName,
-              List<String> this.statusFilePaths)
+              List<String> this.statusFilePaths,
+              [this.testPrefix = ''])
       : dartDir = TestUtils.dartDir() {
     runnerPath = TestUtils.buildDir(configuration) + '/' + runnerName;
   }
 
   void testNameHandler(String testName, ignore) {
     if (testName == "") {
       receiveTestName.close();
       doDone(true);
     } else {
       // Only run the tests that match the pattern. Use the name
       // "suiteName/testName" for cc tests.
       RegExp pattern = configuration['selectors'][suiteName];
-      String constructedName = '$suiteName/$testName';
+      String constructedName = '$suiteName/$testPrefix$testName';
       if (!pattern.hasMatch(constructedName)) return;
 
-      var expectations = testExpectations.expectations(testName);
+      var expectations = testExpectations.expectations(
+          '$testPrefix$testName');
 
       if (configuration["report"]) {
         SummaryReport.add(expectations);
       }
 
       if (expectations.contains(SKIP)) return;
 
       // The cc test runner takes options after the name of the test
       // to run.
       var args = [testName];
       args.addAll(TestUtils.standardOptions(configuration));
 
-      doTest(new TestCase('$suiteName/$testName',
+      doTest(new TestCase(constructedName,
                           [new Command(runnerPath, args)],
                           configuration,
                           completeHandler,
                           expectations));
     }
   }
 
   void forEachTest(Function onTest, Map testCache, String globalTempDir(),
                    [Function onDone]) {
     doTest = onTest;
@@ skipping 1240 matching lines @@
  * $noCrash tests are expected to be flaky but not crash
  * $pass tests are expected to pass
  * $failOk tests are expected to fail that we won't fix
  * $fail tests are expected to fail that we should fix
  * $crash tests are expected to crash that we should fix
  * $timeout tests are allowed to timeout
 """;
     print(report);
    }
 }