Remove test_wrapper.py, replace with test.py (which calls test.dart).

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 922 matching lines @@
   }
 
   void createTest(successIgnored) {
     String d8 =
         "$buildDir/d8${TestUtils.executableSuffix(configuration['component'])}";
     List<String> args = <String>[
         '-ea',
         '-classpath', classPath,
         '-Dcom.google.dart.runner.d8=$d8',
         '-Dcom.google.dart.corelib.SharedTests.test_py=' +
-            dartDir + '/tools/test_wrapper.py',
+            dartDir + '/tools/test.py',
         'org.junit.runner.JUnitCore'];
     args.addAll(testClasses);
 
     doTest(new TestCase(suiteName,
                         'java',
                         args,
                         configuration,
                         completeHandler,
                         new Set<String>.from([PASS])));
     doDone();
@@ skipping 170 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);
    }
 }