Format all tests.

tests/language/regress_26543_1_test.dart

Index: tests/language/regress_26543_1_test.dart
diff --git a/tests/language/regress_26543_1_test.dart b/tests/language/regress_26543_1_test.dart
index 8c425ded3a50970fb3d3727ef81389c9bacb1d93..39305f67cdb7a00a832f61794296e38e4d8c3d6b 100644
--- a/tests/language/regress_26543_1_test.dart
+++ b/tests/language/regress_26543_1_test.dart
@@ -1,6 +1,6 @@
 // Copyright (c) 2016, 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. 
+// BSD-style license that can be found in the LICENSE file.
 
 // Regression test for issue 26543
 
@@ -11,4 +11,4 @@ class C {
 
 main() {
   print(new C());
-}
+}