rename analysis_timing_test => .. _tests

pkg/analysis_server/benchmark/perf/analysis_timing_tests.dart

 // Copyright (c) 2015, 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 server.performance.analysis.timing;
 
 import 'dart:async';
 import 'dart:io';
 
 import 'package:args/args.dart';
@@ skipping 39 matching lines @@
     });
   }
 }
 
 ArgParser _createArgParser() {
   ArgParser parser = new ArgParser();
   parser.addOption('source',
       help: 'full path to source directory for analysis');
   return parser;
 }