test: ci

Signed-off-by: Moritz Johner <beller.moritz@googlemail.com>

Makefile

@@ -1,6 +1,7 @@
 # set the shell to bash always
 SHELL         := /bin/bash
 
+
 # set make and shell flags to exit on errors
 MAKEFLAGS     += --warn-undefined-variables
 .SHELLFLAGS   := -euo pipefail -c