diff --git a/Jenkinsfile b/Jenkinsfile
index da8414b..e6c6f62 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -12,6 +12,12 @@ pipeline {
         stage('Test') {
             steps {
                 echo 'Testing..'
+                if (fileExists('CenaMieszkaniaDesign.py')) {
+                    echo 'Yes'
+                } else {
+                    echo 'No'
+                }
+
             }
         }
         stage('Deploy') {