Library syntax updates. Covers all remaining files in ~/tests aprt from ~/tests/language and ~/test…

tests/corelib/map_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.
 
-#library("MapTest.dart");
-#import("dart:collection");
+library map_test;
+import 'dart:collection';
 
 class MapTest {
 
   static testMain() {
     test(new HashMap());
     test(new LinkedHashMap());
     test(new SplayTreeMap());
     testLinkedHashMap();
     testMapLiteral();
     testNullValue();
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     m.remove("a");
     Expect.equals(2, m.length);
     Expect.equals(null, m["a"]);
     Expect.equals(false, m.containsKey("a"));
   }
 }
 
 main() {
   MapTest.testMain();
 }