diff --git a/test/rustint/core_test.clj b/test/rustint/core_test.clj
index 6c3db2b..9faf6bd 100644
--- a/test/rustint/core_test.clj
+++ b/test/rustint/core_test.clj
@@ -256,3 +256,12 @@
     (is (nil? (dump nil)))
   )
 )
+
+(deftest convertir-formato-impresion-01
+  (testing "Test 01 convertir-formato-impresion"
+    (is (=
+         (convertir-formato-impresion '("Hola, mundo!"))
+         '("Hola, mundo!")
+        )
+  )
+)