Fix mapcache_timedb json handling and fix tests

tile_gen/run.sh

@@ -73,6 +73,7 @@ run_tile_gen() {
         json_info="{\"path\": \"${glob_pattern}\", \"satellite_family\": \"${satellite_family}\", \"satellite_ID\": \"${satellite_id}\", \"instrument\": \"${instrument}\", \"data_type\": \"${data_type}\", \"product\": \"${product}\"}"
         # append the JSON returned by the python (remove the curly braces at the ends)
         json_info="${json_info:0:-1}, ${json_times_changed:1}"
+        echo -e "[[\"$amqpsend_topic\", $json_info]]"
         echo -e "[[\"$amqpsend_topic\", $json_info]]" | python3 /work/amqpfind/amqpsend.py ${AMQPSEND_ARGS}
     done
     echo "Done generating tiles for ${path}"