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

pkg/analysis_server/test/services/correction/status_test.dart

Index: pkg/analysis_server/test/services/correction/status_test.dart
diff --git a/pkg/analysis_server/test/services/correction/status_test.dart b/pkg/analysis_server/test/services/correction/status_test.dart
index 17759878d5e3da80c7d8c4133a26ef78f673c20a..d66ad0d455f5382b9d63479a9750a3705b421b4c 100644
--- a/pkg/analysis_server/test/services/correction/status_test.dart
+++ b/pkg/analysis_server/test/services/correction/status_test.dart
@@ -43,7 +43,7 @@ class RefactoringLocationTest extends AbstractSingleUnitTest {
     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,