Format all tests.

tests/language/null_access_error_test.dart

 // Copyright (c) 2011, 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.
 
 import "package:expect/expect.dart";
 
 class NullAccessTest {
-
   static void testNullVariable() {
     int variable;
     bool exceptionCaught = false;
     bool wrongExceptionCaught = false;
     try {
       variable++;
     } on NoSuchMethodError catch (ex) {
       exceptionCaught = true;
     } catch (ex) {
       wrongExceptionCaught = true;
@@ skipping 23 matching lines @@
 
   static void testMain() {
     testNullVariable();
     testNullFunctionCall();
   }
 }
 
 main() {
   NullAccessTest.testMain();
 }