check if tests are failing (#221)

Makefile

@@ -1,7 +1,7 @@
 .PHONY: test
 test:
-	python -m pip install mock
-	for file in $(shell find . -name test -type d); do python -m unittest discover -v -p '*_test.py' -s $$(dirname $$file); done
+	python3 -m pip install mock
+	./test.sh
 
 .PHONY: test-local
 test-local:

test.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+failed=0
+
+for file in $(find . -name test -type d); do
+    echo "Running tests in $(dirname $file)"
+    python -m unittest discover -v -p '*_test.py' -s $(dirname $file) || failed=1
+done
+
+if [ $failed -eq 0 ]; then
+    echo "All tests passed."
+else
+    echo "One or more tests have failed."
+    exit 1
+fi