Re-land "Format all multitests"

tests/language/bad_constructor_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.
 
 class A {
   // Constructor may not be static.
   static A(); // //# 00: compile-time error
 
   // Factory may not be static.
   static factory A() { return null; } // //# 01: compile-time error
 
   // Named constructor may not conflict with names of methods and fields.
   var m;
   A.m() { m = 0; } // //# 04: compile-time error
 
-  set q(var value) { m = 0; }  // No name conflict with q=.
+  set q(var value) {
+    m = 0;
+  } // No name conflict with q=.
   A.q(); //  //# 05: ok
   A(); //    //# 05: ok
 
   A.foo() : m = 0; // //# 06: compile-time error
   int foo(int a, int b) => a + b * m;
 }
 
 main() {
   new A();
 }