Change IllegalArgumentException to ArgumentError.

tests/corelib/list_remove_range_test.dart

Index: tests/corelib/list_remove_range_test.dart
diff --git a/tests/corelib/list_remove_range_test.dart b/tests/corelib/list_remove_range_test.dart
index 9358894442b281c46eb9587e853478deef8336d4..b806c9212cba0a0dc58ae8a04aea1bb913c83c4a 100644
--- a/tests/corelib/list_remove_range_test.dart
+++ b/tests/corelib/list_remove_range_test.dart
@@ -48,13 +48,13 @@ void testNegativeIndices() {
   expectIOORE(() { list.removeRange(-1, 1); });
   Expect.listEquals([1, 2], list);
 
-  // A negative length throws an IllegalArgumentException.
+  // A negative length throws an ArgumentError.
   Expect.throws(() { list.removeRange(0, -1); },
-      (e) => e is IllegalArgumentException);
+      (e) => e is ArgumentError);
   Expect.listEquals([1, 2], list);
 
   Expect.throws(() { list.removeRange(-1, -1); },
-      (e) => e is IllegalArgumentException);
+      (e) => e is ArgumentError);
   Expect.listEquals([1, 2], list);
 
   // A zero length prevails, and does not throw an exception.