Fix dartc testing.

TBR=sra,

BUG=

Review URL: https://codereview.chromium.org//11784011

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@16675 260f80e4-7a28-3924-810f-c04153c831b5

tools/testing/dart/test_suite.dart

@@ -1453,7 +1453,8 @@ class DartcCompilationTestSuite extends StandardTestSuite {
       : super(configuration,
               suiteName,
               new Path.fromNative(directoryPath),
-              expectations);
+              expectations,
+              []);
 
   List<String> additionalOptions(Path filePath) {
     return ['--fatal-warnings', '--fatal-type-errors'];