fixup! [CrateDB] Add support for Grafana instant dashboards

Author: amotl

test/test_daq_grafana.py

@@ -66,6 +66,7 @@ def test_mqtt_cratedb_grafana_single(machinery_cratedb, reset_cratedb, reset_gra
     yield sleep(PROCESS_DELAY_MQTT)
     yield sleep(PROCESS_DELAY_MQTT)
     yield sleep(PROCESS_DELAY_MQTT)
+    yield sleep(PROCESS_DELAY_MQTT)
 
     # Proof that Grafana is well provisioned.
     logger.info('Grafana: Checking datasource')