tests: exit with non zero status on failure

1 files changed, 2 insertions, 0 deletions

diff --git a/tests.lua b/tests.lua
index feadb75..d6ad81d 100755
--- a/tests.lua
+++ b/tests.lua
@@ -33,4 +33,6 @@ test_subscene()
 
 if errs == 0  then
     print('ok: all tests ran successfully')
+else
+    os.exit(false)
 end