diff --git a/pkg/_fe_analyzer_shared/test/flow_analysis/why_not_promoted/data/argument_type_not_assignable_nullability_error.dart b/pkg/_fe_analyzer_shared/test/flow_analysis/why_not_promoted/data/argument_type_not_assignable_nullability_error.dart
index 3421716..d7c28eb 100644
--- a/pkg/_fe_analyzer_shared/test/flow_analysis/why_not_promoted/data/argument_type_not_assignable_nullability_error.dart
+++ b/pkg/_fe_analyzer_shared/test/flow_analysis/why_not_promoted/data/argument_type_not_assignable_nullability_error.dart
@@ -446,7 +446,7 @@
   int? bad;
 }
 
-test(C33 c) {
+explicitExtensionInvocation(C33 c) {
   if (c.bad == null) return;
   E33(c.
           /*notPromoted(propertyNotPromoted(target: member:C33.bad, type: int?))*/ bad)
diff --git a/tests/language/why_not_promoted/argument_type_not_assignable_nullability_error_test.dart b/tests/language/why_not_promoted/argument_type_not_assignable_nullability_error_test.dart
index c74a8b2..9ff7eb0 100644
--- a/tests/language/why_not_promoted/argument_type_not_assignable_nullability_error_test.dart
+++ b/tests/language/why_not_promoted/argument_type_not_assignable_nullability_error_test.dart
@@ -655,7 +655,7 @@
   // [context 94] 'bad' refers to a property so it couldn't be promoted.
 }
 
-test(C33 c) {
+explicitExtensionInvocation(C33 c) {
   if (c.bad == null) return;
   E33(c.bad).f();
   //  ^^^^^