X-Git-Url: http://nitlanguage.org

diff --git a/tests/base_var_type_evolution_null_while.nit b/tests/base_var_type_evolution_null_while.nit
index 56eacc1..bd24e7c 100644
--- a/tests/base_var_type_evolution_null_while.nit
+++ b/tests/base_var_type_evolution_null_while.nit
@@ -14,11 +14,11 @@
 
 import end
 
-class Object
-	fun ==(o: nullable Object): Bool do return self is o
-	fun !=(o: nullable Object): Bool do return not self is o
+interface Object
+	fun ==(o: nullable Object): Bool do return self.is_same_instance(o)
+	fun !=(o: nullable Object): Bool do return not self.is_same_instance(o)
+	fun is_same_instance(other: nullable Object): Bool is intern
 end
-
 class A
 end