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

tests/standalone/int_array_test.dart

Index: tests/standalone/int_array_test.dart
diff --git a/tests/standalone/int_array_test.dart b/tests/standalone/int_array_test.dart
index dfab86e6e39759ccb8449dfbb41117acdab19e39..e3dfed5d161fbddfd42f03de670e97d39bcda985 100644
--- a/tests/standalone/int_array_test.dart
+++ b/tests/standalone/int_array_test.dart
@@ -5,9 +5,9 @@
 // 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;