test rename overhaul: step 7 - corelib tests

tests/corelib/src/IntegerToRadixStringTest.dart

Index: tests/corelib/src/IntegerToRadixStringTest.dart
diff --git a/tests/corelib/src/IntegerToRadixStringTest.dart b/tests/corelib/src/IntegerToRadixStringTest.dart
deleted file mode 100644
index 35454bfde973d7ce67e3dd6e879076792c5e7f8c..0000000000000000000000000000000000000000
--- a/tests/corelib/src/IntegerToRadixStringTest.dart
+++ /dev/null
@@ -1,8 +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() {
-  // Just make sure that we use lower-case characters.
-  Expect.equals("abcd", (0xabcd).toRadixString(16));
-}