Fix for test of linking with unused type parameter.

pkg/analyzer/test/src/summary/summarize_ast_strong_test.dart

 // Copyright (c) 2016, 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.
 
 library analyzer.test.src.summary.summarize_ast_strong_test;
 
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 import 'package:unittest/unittest.dart';
 
 import 'summarize_ast_test.dart';
@@ skipping 111 matching lines @@
   @failingTest
   test_syntheticFunctionType_inGenericClass() {
     super.test_syntheticFunctionType_inGenericClass();
   }
 
   @override
   @failingTest
   test_syntheticFunctionType_inGenericFunction() {
     super.test_syntheticFunctionType_inGenericFunction();
   }
-
-  @override
-  @failingTest
-  test_unused_type_parameter() {
-    super.test_unused_type_parameter();
-  }
 }