Format all tests.

tests/language/bad_initializer1_negative_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.
 // Variable initializer must not reference the initialized variable.
 
 class BadInitializer1NegativeTest {
   static testMain() {
-     final List elems = const [
-         const [1, 2.0, true, false, 0xffffffffff, elems], "a", "b"];
+    final List elems = const [
+      const [1, 2.0, true, false, 0xffffffffff, elems],
+      "a",
+      "b"
+    ];
   }
 }
 
 main() {
   BadInitializer1NegativeTest.testMain();
 }