diff --git a/test/rustint/core_test.clj b/test/rustint/core_test.clj
index aa31524..5b6b371 100644
--- a/test/rustint/core_test.clj
+++ b/test/rustint/core_test.clj
@@ -163,3 +163,9 @@
     (is (= (dividir 1 2.0) 0.5))
   )
 )
+
+(deftest identificador-test01
+  (testing "Test 01 identificador"
+    (is (= (identificador? 'boolean) true))
+  )
+)