diff --git a/.test_sh b/.test_sh
new file mode 100644
index 00000000..127d92b8
--- /dev/null
+++ b/.test_sh
@@ -0,0 +1,7 @@
+# SPDX-FileCopyrightText: : 2021-2024 The PyPSA-Eur Authors 
+# ADAPTED FOR PyPSA-USA
+# SPDX-License-Identifier: CC0-1.0
+
+cd workflow/
+
+snakemake -call all --configfile config/test/config.test_simple.yaml --rerun-triggers=mtime