Getter elements should not have parameters.

pkg/analysis_server/test/services/completion/completion_test_util.dart

Index: pkg/analysis_server/test/services/completion/completion_test_util.dart
diff --git a/pkg/analysis_server/test/services/completion/completion_test_util.dart b/pkg/analysis_server/test/services/completion/completion_test_util.dart
index c78a10decaae539dec40fb4c7d141608340c2338..2adf4a708c14a73e5a11c8d0c8e9313b30c8ce44 100644
--- a/pkg/analysis_server/test/services/completion/completion_test_util.dart
+++ b/pkg/analysis_server/test/services/completion/completion_test_util.dart
@@ -1997,11 +1997,13 @@ abstract class AbstractSelectorSuggestionTest extends AbstractCompletionTest {
       if (getterF != null) {
         expect(getterF.element.isDeprecated, isTrue);
         expect(getterF.element.isPrivate, isFalse);
+        expect(getterF.element.parameters, isNull);
       }
       CompletionSuggestion getterG = assertSuggestLocalGetter('_g', null);
       if (getterG != null) {
         expect(getterG.element.isDeprecated, isFalse);
         expect(getterG.element.isPrivate, isTrue);
+        expect(getterF.element.parameters, isNull);
       }
       assertSuggestImportedClass('bool');
     });