Remove and hide analyzer cli flags.

pkg/analyzer_cli/test/options_test.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 analyzer_cli.test.options;
 
 import 'dart:io';
 
 import 'package:analyzer_cli/src/driver.dart';
 import 'package:analyzer_cli/src/options.dart';
@@ skipping 116 matching lines @@
       });
 
       test('package warnings', () {
         CommandLineOptions options = CommandLineOptions
             .parse(['--dart-sdk', '.', '--package-warnings', 'foo.dart']);
         expect(options.showPackageWarnings, isTrue);
       });
 
       test('sdk warnings', () {
         CommandLineOptions options = CommandLineOptions
-            .parse(['--dart-sdk', '.', '--warnings', 'foo.dart']);
+            .parse(['--dart-sdk', '.', '--sdk-warnings', 'foo.dart']);
         expect(options.showSdkWarnings, isTrue);
       });
 
       test('sourceFiles', () {
         CommandLineOptions options = CommandLineOptions.parse(
             ['--dart-sdk', '.', '--log', 'foo.dart', 'foo2.dart', 'foo3.dart']);
         expect(options.sourceFiles,
             equals(['foo.dart', 'foo2.dart', 'foo3.dart']));
       });
 
@@ skipping 185 matching lines @@
       'package:p/foo.dart|/path/to/p/lib/foo.dart'
     ]);
     expect(options.buildMode, isTrue);
     expect(options.buildSuppressExitCode, isTrue);
   }
 
   void _parse(List<String> args) {
     options = CommandLineOptions.parse(args);
   }
 }