Tweaks to the new_analyzer test suite to not run the dartc unit tests.

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 165 matching lines @@
     var suffix = getExecutableSuffix(configuration['compiler']);
     switch (configuration['compiler']) {
       case 'none':
         if (useSdk) {
           return '$buildDir/dart-sdk/bin/dart$suffix';
         }
         return '$buildDir/dart$suffix';
       case 'dartc':
         return '$buildDir/analyzer/bin/dart_analyzer$suffix';
       case 'new_analyzer':
-        var prefix = 'sdk/bin';
-        return '$prefix/analyzer$suffix';
+        return 'sdk/bin/analyzer$suffix';
       default:
         throw "Unknown executable for: ${configuration['compiler']}";
     }
   }
 
   /**
    * The file name of the d8 executable.
    */
   String get d8FileName {
     var suffix = getExecutableSuffix('d8');
@@ skipping 1762 matching lines @@
  * $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
  * $compileErrorSkip tests are skipped on browsers due to compile-time error
 """;
     print(report);
    }
 }