Format all tests.

tests/language/regress_14348_test.dart

 // Copyright (c) 2014, 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.
 
 // Regression test for issue 14348.
 
 import "package:collection/equality.dart";
 
 main() {
   const Equality<Iterable> eq = const UnorderedIterableEquality();
-  const Equality<Map<dynamic,Iterable>> mapeq =
-     const MapEquality<dynamic, dynamic>(values: eq);
-}
+  const Equality<Map<dynamic, Iterable>> mapeq =
+      const MapEquality<dynamic, dynamic>(values: eq);
+}