Remove old #import, #source, and #library syntax from tests/standalone.

tests/standalone/int_array_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.
 //
 // Dart test program for testing native int arrays.
 
 // Library tag to be able to run in html test framework.
-#library("IntArrayTest.dart");
+library IntArrayTest;
 
-#import('dart:scalarlist');
+import 'dart:scalarlist';
 
 void testInt32ToSmi() {
   Int32List intArray;
 
   intArray = new Int32List(4);
   intArray[0] = 1073741823;  // SmiMax
   intArray[1] = -1073741824;  // SmiMin
   intArray[2] = 1073741824;  // SmiMax+1
   intArray[3] = -1073741825;  // SmiMin-1
   var x = intArray[0];
@@ skipping 65 matching lines @@
 main() {
   testUint64ToSmi();
   return;
   for (int i = 0; i < 2000; i++) {
     testInt32ToSmi();
     testUint32ToSmi();
     testInt64ToSmi();
     testUint64ToSmi();
   }
 }