diff --git a/test/rustint/core_test.clj b/test/rustint/core_test.clj
index cf18105..9b7bcf4 100644
--- a/test/rustint/core_test.clj
+++ b/test/rustint/core_test.clj
@@ -19,3 +19,9 @@
     (is (= (pasar-a-float 10.0) 10.0))
   )
 )
+
+(deftest pasar-a-float-test04
+  (testing "Test 04 pasar-a-float"
+    (is (= (pasar-a-float 'a) 'a))
+  )
+)