fix: ensure all retry.sh failures fail exit 1

Author: glasnt

run/markdown-preview/editor/test/retry.sh

@@ -59,7 +59,7 @@ do
     if ((attempt_num==max_attempts))
     then
         echo "Attempt $attempt_num / $max_attempts failed! No more retries left!"
-        exit
+        exit 1
     else
         echo "Attempt $attempt_num / $max_attempts failed!"
         sleep $((attempt_num++))

run/markdown-preview/renderer/test/retry.sh

@@ -59,7 +59,7 @@ do
     if ((attempt_num==max_attempts))
     then
         echo "Attempt $attempt_num / $max_attempts failed! No more retries left!"
-        exit
+        exit 1
     else
         echo "Attempt $attempt_num / $max_attempts failed!"
         sleep $((attempt_num++))