BATS: When using retries, log how many iterations were needed

Hopefully this helps us track down how close we are to exceeding the retry
count, to better identify when things are almost failing.

Signed-off-by: Mark Yen <[email protected]>

bats/tests/helpers/utils.bash

@@ -256,6 +256,7 @@ try() {
     while true; do
         run "$@"
         if ((status == 0 || ++count >= max)); then
+            trace "$count/$max tries: $*"
             break
         fi
         sleep "$delay"