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

tests/standalone/typed_array_test.dart

Index: tests/standalone/typed_array_test.dart
diff --git a/tests/standalone/typed_array_test.dart b/tests/standalone/typed_array_test.dart
index 993b232724d98fd899e0b00e63a97c7093330ebf..ac4d57fe5ee25b6aeefd311d0448f084195e8846 100644
--- a/tests/standalone/typed_array_test.dart
+++ b/tests/standalone/typed_array_test.dart
@@ -5,9 +5,9 @@
 // Dart test program for testing native float arrays.
 
 // Library tag to be able to run in html test framework.
-#library('TypedArray');
-#import('dart:isolate');
-#import('dart:scalarlist');
+library TypedArray;
+import 'dart:isolate';
+import 'dart:scalarlist';
 
 void main() {
   int8_receiver();