Format all tests.

tests/language_strong/issue3806_test.dart

 // Copyright (c) 2012, 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.
 
 // Dart2js produced a statement in an expression context for this test.
 
 class A {
   var foo = "foo";
   bar(x) {
     if (foo == 3) return;
     var t = x;
-    if (x == 0 ) t = foo;
+    if (x == 0) t = foo;
     foo = t;
   }
+
   toto(x) => x;
   titi() {
     foo = 0;
     for (int i = 0; i < 3; i++) bar(i);
   }
 }
 
 main() => new A().titi();