fix: return code of makefile (#36)

Author: MelvinKl

Makefile

@@ -7,11 +7,10 @@ install-dev:
 	@for f in $(shell ls ${SERVICES_DIR}); do pip install -e ${SERVICES_DIR}/$${f}[dev]; done
 
 test:
-	@for f in $(shell ls ${SERVICES_DIR}); do cd ${SERVICES_DIR}/$${f}; pytest; cd ../..; done
+	@for f in $(shell ls ${SERVICES_DIR}); do  set -e; cd ${SERVICES_DIR}/$${f}; sh -c 'pytest || ([ $$? = 5 ] && exit 0 || exit $$?)'; cd ../..; done
 
 lint:
 	# lint examples
 	flake8 --toml-config $(word 1, $(wildcard $(SERVICES_DIR)/*))/pyproject.toml --black-config $(word 1, $(wildcard $(SERVICES_DIR)/*))/pyproject.toml examples; 
 	# lint services
-	@for f in $(shell ls ${SERVICES_DIR}); do cd ${SERVICES_DIR}/$${f}; flake8 .; cd ../..; done
-
+	@for f in $(shell ls ${SERVICES_DIR}); do set -e; cd ${SERVICES_DIR}/$${f};flake8 .; cd ../..; done