Fix test failure exit statusescopilot/check-testfiles-for-os-exit-issues

Co-authored-by: Tieske <1077043+Tieske@users.noreply.github.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/test/testclnt.lua b/test/testclnt.lua
index bbe48bb..ae97204 100644
--- a/test/testclnt.lua
+++ b/test/testclnt.lua
@@ -16,7 +16,7 @@ function fail(...)
     io.stderr:write("ERROR: ")
     printf(...)
     io.stderr:write("!\n")
-    os.exit()
+    os.exit(1)
 end
 
 function warn(...)