anchor.diff:  
       var conf = configurationIterator.next();
       for (String key in selectors.getKeys()) {
  -      if (key == 'samples') {
  -        queue.addTestSuite(new SamplesTestSuite(conf));
  -      } else if (key == 'standalone') {
  +      if (key == 'standalone') {
           queue.addTestSuite(new StandaloneTestSuite(conf));
         } else if (key == 'co19') {
           queue.addTestSuite(new Co19TestSuite(conf));
  
positive.code:   'frog/tests/frog_native',
    'frog/tests/leg',
    'frog/tests/leg_only',
    'tests/benchmark_smoke',
    'tests/corelib',
    'tests/dom',
  
negative.code: #import("../compiler/tests/dartc/test_config.dart");
  #import("../frog/tests/await/test_config.dart");
  #import("../runtime/tests/vm/test_config.dart");
  #import("../tests/co19/test_config.dart");
  #import("../tests/standalone/test_config.dart");
  
  