Remove directives validation.

pkg/analyzer/test/src/task/dart_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 test.src.task.dart_test;
 
 import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/file_system/memory_file_system.dart';
 import 'package:analyzer/src/context/cache.dart';
 import 'package:analyzer/src/generated/ast.dart';
@@ skipping 1420 matching lines @@
 
   void _performScanTask(String content) {
     AnalysisTarget target = _newSource('/test.dart', content);
     _computeResult(target, TOKEN_STREAM);
     expect(task, new isInstanceOf<ScanDartTask>());
   }
 }
 
 @reflectiveTest
 class VerifyUnitTaskTest extends _AbstractDartTaskTest {
-  test_perform_directiveError() {
-    // TODO(scheglov) uncomment when GetContentTask handles not
-    // existing sources correctly.
-//    Source source = _newSource('/test.dart', '''
-//library lib;
-//part '/does/not/exist.dart';
-//''');
-//    LibraryUnitTarget target = new LibraryUnitTarget(source, source);
-//    _computeResult(target, VERIFY_ERRORS);
-//    expect(task, new isInstanceOf<VerifyUnitTask>());
-//    // validate
-//    _fillErrorListener(VERIFY_ERRORS);
-//    errorListener.assertErrorsWithCodes(
-//        <ErrorCode>[StaticTypeWarningCode.NON_BOOL_CONDITION]);
-  }
-
   test_perform_verifyError() {
     Source source = _newSource('/test.dart', '''
 main() {
   if (42) {
     print('Not bool!');
   }
 }
 ''');
     LibraryUnitTarget target = new LibraryUnitTarget(source, source);
     _computeResult(target, VERIFY_ERRORS);
@@ skipping 103 matching lines @@
     return entryMap.putIfAbsent(target, () => new CacheEntry());
   }
 
   TimestampedData<String> getContents(Source source) => source.contents;
 
   noSuchMethod(Invocation invocation) {
     print('noSuchMethod: ${invocation.memberName}');
     return super.noSuchMethod(invocation);
   }
 }