test rename overhaul: step 8 - language tests

tests/language/src/NullIsTest.dart

Index: tests/language/src/NullIsTest.dart
diff --git a/tests/language/src/NullIsTest.dart b/tests/language/src/NullIsTest.dart
deleted file mode 100644
index 8b4979394d52462e2191ee43fbb456c6085d9170..0000000000000000000000000000000000000000
--- a/tests/language/src/NullIsTest.dart
+++ /dev/null
@@ -1,13 +0,0 @@
-// 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.
-
-main() {
-  Expect.isTrue(null is Object);
-  Expect.isFalse(null is int);
-  Expect.isFalse(null is bool);
-  Expect.isFalse(null is num);
-  Expect.isFalse(null is String);
-  Expect.isFalse(null is List);
-  Expect.isFalse(null is Expect);
-}