Fixed test in checked mode.

runtime/tests/vm/dart/assert_with_type_test_or_cast_test.dart

Index: runtime/tests/vm/dart/assert_with_type_test_or_cast_test.dart
===================================================================
--- runtime/tests/vm/dart/assert_with_type_test_or_cast_test.dart	(revision 11843)
+++ runtime/tests/vm/dart/assert_with_type_test_or_cast_test.dart	(working copy)
@@ -11,17 +11,17 @@
 // The cause was incomplete generic type skipping, so each of the assert
 // statements below would fail.
 main() {
- var names = new List<String>();
+ var names = new List<int>();
  
  // Generic type test.
- assert(names is List<String>);
+ assert(names is List<int>);
  
  // Negated generic type test.
- assert(names is !List<int>);
+ assert(names is !List<String>);
  
  // Generic type cast.
- assert((names as List<int>).length == 0);
+ assert((names as List<num>).length == 0);
  
  // Generic type test inside expression.
- assert((names is List<String>));
+ assert((names is List<int>));
 }