Move test.dart into testing/dart.

tools/testing/dart/test_configurations.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.
 
 library test_configurations;
 
 import "dart:async";
 import 'dart:convert';
 import 'dart:io';
 import "dart:math" as math;
@@ skipping 236 matching lines @@
       // into '@@@'-annotated sections.
       var printFailureSummary = progressIndicator != 'buildbot';
       eventListener.add(new TestFailurePrinter(printFailureSummary, formatter));
     }
     eventListener.add(
         progressIndicatorFromName(progressIndicator, startTime, formatter));
     if (printTiming) {
       eventListener.add(new TimingPrinter(startTime));
     }
     eventListener.add(new SkippedCompilationsPrinter());
-    eventListener.add(new LeftOverTempDirPrinter());
   }
   if (firstConf['write_test_outcome_log']) {
     eventListener.add(new TestOutcomeLogWriter());
   }
   if (firstConf['copy_coredumps']) {
     eventListener.add(new UnexpectedCrashLogger());
   }
 
   // The only progress indicator when listing tests should be the
   // the summary printer.
@@ skipping 40 matching lines @@
       maxBrowserProcesses,
       startTime,
       testSuites,
       eventListener,
       allTestsFinished,
       verbose,
       recordingPath,
       recordingOutputPath,
       adbDevicePool);
 }