more .exe test fix

.gitlab-ci.yml

@@ -283,9 +283,8 @@ windows_test_exe:
     - rd /s /q silx
     - python -m zipfile -e "artifacts\\silx-windows-application.zip" .
     - cd silx
-    - start "silx view test" silx-view.exe
-    - timeout 10
-    - taskkill /IM "silx-view.exe" /F
+    - silx-view.exe --help
+    - silx.exe --help
     - cd ..
     - rmdir silx /s /q
   needs: ["windows_exe"]