Format all tests.

tests/language/map_literal8_test.dart

 // Copyright (c) 2013, 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.
 
 // Test the use of type arguments on const map literals using general expression
 // as keys.
 
 library map_literal8_test;
 
 import "package:expect/expect.dart";
 
 class A {
   const A();
 }
+
 class B extends A {
   final a;
   const B(this.a);
 }
 
 void main() {
   var m1 = const {
     const A(): 0,
     const B(0): 1,
     const B(1): 2,
     const B(const A()): 3,
     const B(0): 4,
   };
   Expect.isTrue(m1 is Map);
-  Expect.isTrue(m1 is Map<A,int>);
+  Expect.isTrue(m1 is Map<A, int>);
   Expect.isTrue(m1 is Map<int, dynamic>);
   Expect.isTrue(m1 is Map<dynamic, A>);
 
   var m2 = const <A, int>{
     const A(): 0,
     const B(0): 1,
     const B(1): 2,
     const B(const A()): 3,
     const B(0): 4,
   };
   Expect.isTrue(m2 is Map);
   Expect.isTrue(m2 is Map<A, int>);
   Expect.isFalse(m2 is Map<int, dynamic>);
   Expect.isFalse(m2 is Map<dynamic, A>);
 }