Convert some tests to use the driver and prepare for others to be converted

pkg/analysis_server/test/services/correction/status_test.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.services.correction.status;
 
 import 'package:analysis_server/src/protocol_server.dart' hide Element;
 import 'package:analysis_server/src/services/correction/source_range.dart';
 import 'package:analysis_server/src/services/correction/status.dart';
 import 'package:analysis_server/src/services/search/search_engine.dart';
@@ skipping 25 matching lines @@
     expect(location.length, 7);
     expect(location.startLine, 1);
     expect(location.startColumn, 7);
   }
 
   test_createLocation_forMatch() async {
     await resolveTestUnit('class MyClass {}');
     Element element = findElement('MyClass');
     SourceRange range = rangeElementName(element);
     SearchMatch match = new SearchMatchImpl(
-        context,
+        element.context,
         element.library.source.uri.toString(),
         element.source.uri.toString(),
         null,
         range,
         true,
         false);
     // check
     Location location = newLocation_fromMatch(match);
     expect(location.file, '/test.dart');
     expect(location.offset, range.offset);
@@ skipping 169 matching lines @@
     expect(refactoringStatus.severity, RefactoringProblemSeverity.FATAL);
     expect(refactoringStatus.message, 'msg');
   }
 
   void test_newWarning() {
     RefactoringStatus refactoringStatus = new RefactoringStatus.warning('msg');
     expect(refactoringStatus.severity, RefactoringProblemSeverity.WARNING);
     expect(refactoringStatus.message, 'msg');
   }
 }