Capture previous command exit code in integration tests cleanup (#2503)

* show previous response code

* log previous response code of shell script command

test/tests/test_archive_cli.sh

@@ -12,6 +12,7 @@ mkdir -p "$tmp_dir"
 podname=$(kubectl get pods -n fission | grep "storagesvc" |awk '{print $1}')
 
 cleanup() {
+    echo "previous response" $?
     log "Cleaning up..."
     clean_resource_by_id $TEST_ID
     rm -rf $tmp_dir