Remove some more library directives

pkg/analysis_server/test/analysis/test_all.dart

 // Copyright (c) 2014, 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 test.analysis;
 
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 import 'get_errors_test.dart' as get_errors_test;
 import 'get_hover_test.dart' as get_hover_test;
 import 'get_navigation_test.dart' as get_navigation_test;
 import 'navigation_collector_test.dart' as navigation_collector_test;
 import 'notification_analysis_options_test.dart'
     as notification_analysis_options_test;
 import 'notification_analyzedFiles_test.dart'
@@ skipping 27 matching lines @@
     notification_implemented_test.main();
     notification_navigation_test.main();
     notification_occurrences_test.main();
     notification_outline_test.main();
     notification_overrides_test.main();
     reanalyze_test.main();
     set_priority_files_test.main();
     update_content_test.main();
   }, name: 'analysis');
 }