Fix for test of linking with unused type parameter.

pkg/analyzer/test/src/summary/summarize_ast_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_test;
 
 import 'package:analyzer/analyzer.dart';
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart';
 import 'package:analyzer/error/listener.dart';
@@ skipping 98 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();
-  }
 }
 
 /**
  * Override of [SummaryTest] which creates linked summaries directly from the
  * AST.
  */
 @reflectiveTest
 abstract class LinkedSummarizeAstTest extends SummaryLinkerTest
     with SummaryTest {
   @override
@@ skipping 206 matching lines @@
    * passed to [addNamedSource].
    */
   Map<String, UnlinkedUnitBuilder> uriToUnit = <String, UnlinkedUnitBuilder>{};
 
   /**
    * Information about summaries to be included in the link process.
    */
   SummaryDataStore summaryDataStore =
       new SummaryDataStore([], recordDependencyInfo: true);
 }