Format all tests.

tests/standalone/assert_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.
 // VMOptions=--enable_asserts
 
 // Dart test program testing assert statements.
 
 import "package:expect/expect.dart";
 
 class AssertTest {
   static test() {
     try {
       assert(false);
       Expect.fail("Assertion 'false' didn't fail.");
     } on AssertionError catch (error) {
       Expect.isTrue(error.toString().contains("'false'"));
-      Expect.isTrue(error.stackTrace.toString().contains(
-          "assert_test.dart:13:14"));
+      Expect.isTrue(
+          error.stackTrace.toString().contains("assert_test.dart:13:14"));
     }
   }
+
   static testClosure() {
     try {
       assert(() => false);
       Expect.fail("Assertion '() => false' didn't fail.");
     } on AssertionError catch (error) {
       Expect.isTrue(error.toString().contains("'() => false'"));
-      Expect.isTrue(error.stackTrace.toString().contains(
-          "assert_test.dart:23:14"));
+      Expect.isTrue(
+          error.stackTrace.toString().contains("assert_test.dart:24:14"));
     }
   }
 
   static testMain() {
     test();
     testClosure();
   }
 }
 
 main() {
   AssertTest.testMain();
 }