Bugfix: make the new compilation artifact layout also work with dart2dart

tools/testing/dart/test_suite.dart

Index: tools/testing/dart/test_suite.dart
diff --git a/tools/testing/dart/test_suite.dart b/tools/testing/dart/test_suite.dart
index c995b06563c4e17cd4a69eb2a84b994ba3cb19bf..709c168d8ab3666fbe55c6c3cbbf295756d4be34 100644
--- a/tools/testing/dart/test_suite.dart
+++ b/tools/testing/dart/test_suite.dart
@@ -779,7 +779,7 @@ class StandardTestSuite extends TestSuite {
       String tempDir = createOutputDirectory(info.filePath, '');
       var compiledFile = '$tempDir/out-${configuration['runtime']}.dart';
       var compiledShadowFile = '$tempDir/out_shadow.dart';
-      args.add('--out=$tempDir/out.dart');
+      args.add('--out=$compiledFile');
 
       List<Command> commands =
           <Command>[new CompilationCommand(compiledFile,
@@ -795,7 +795,7 @@ class StandardTestSuite extends TestSuite {
         // TODO(antonm): support checked.
         var vmArguments = new List.from(vmOptions);
         vmArguments.addAll([
-            '--ignore-unrecognized-flags', '$tempDir/out.dart']);
+            '--ignore-unrecognized-flags', compiledFile]);
         commands.add(new Command(vmFileName, vmArguments));
       } else {
         throw 'Unsupported runtime ${configuration["runtime"]} for dart2dart';