test rename overhaul: step 8 - language tests

tests/language/interface_cycle_negative_test.dart

 // Copyright (c) 2011, 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.
 // Check fail because of cycles in super interface relationship.
 
 interface C extends B {
 
 }
 
 interface A extends B {
 
 }
 
 interface B extends A {
 
 }
 
 class InterfaceCycleNegativeTest {
   static testMain() {
   }
 }
 
 main() {
   InterfaceCycleNegativeTest.testMain();
 }