Replace @ReflectiveTestCase() with @reflectiveTest.

pkg/analysis_server/test/integration/analysis/reanalyze_test.dart

Index: pkg/analysis_server/test/integration/analysis/reanalyze_test.dart
diff --git a/pkg/analysis_server/test/integration/analysis/reanalyze_test.dart b/pkg/analysis_server/test/integration/analysis/reanalyze_test.dart
index 88c7b80ea355bf8c52a27cea66c3aff469396ba7..59df3edde2f7d4177d4a34c9a477806237d7a7ff 100644
--- a/pkg/analysis_server/test/integration/analysis/reanalyze_test.dart
+++ b/pkg/analysis_server/test/integration/analysis/reanalyze_test.dart
@@ -14,7 +14,7 @@ main() {
   runReflectiveTests(Test);
 }
 
-@ReflectiveTestCase()
+@reflectiveTest
 class Test extends AbstractAnalysisServerIntegrationTest {
   test_reanalyze() {
     String pathname = sourcePath('test.dart');