diff --git a/src/builtins/mod.rs b/src/builtins/mod.rs
index 05be250..bb764dc 100644
--- a/src/builtins/mod.rs
+++ b/src/builtins/mod.rs
@@ -96,6 +96,11 @@ mod tests {
         assert_eq!(is_builtin("help"), true);
     }
 
+    #[test]
+    fn test_is_builtin_logout(){
+        assert_eq!(is_builtin("logout"), true)
+    }
+
     #[test]
     fn test_is_builtin_ls() {
         assert_eq!(is_builtin("ls"), true);