diff --git a/tests/fixture/12ke35_1mdem.tif b/tests/fixture/12ke35_1mdem.tif
new file mode 100644
index 0000000..61337cc
Binary files /dev/null and b/tests/fixture/12ke35_1mdem.tif differ
diff --git a/tests/fixture/result.tif b/tests/fixture/result.tif
new file mode 100644
index 0000000..59216ac
Binary files /dev/null and b/tests/fixture/result.tif differ
diff --git a/tests/test_menu.py b/tests/test_menu.py
index c1bf6e4..0976f0d 100644
--- a/tests/test_menu.py
+++ b/tests/test_menu.py
@@ -1,3 +1,4 @@
+import os
 import unittest
 
 from dem_to_csmap import DemToCsMap
@@ -17,6 +18,14 @@ def test_menu(self):
         menu.hide()
         assert menu.isVisible() is False
 
+        menu.mQgsFileWidget_input.setFilePath(
+            os.path.join(os.path.dirname(__file__), "fixture", "12ke35_1mdem.tif")
+        )
+        menu.mQgsFileWidget_output.setFilePath(
+            os.path.join(os.path.dirname(__file__), "_result.tif")
+        )
+        menu.pushButton_run.click()  # run process
+
 
 if __name__ == "__main__":
     unittest.main()