Switched from docker swarm to Kubernetes with rke

tests/lib/mysql-query.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+kubectl run mysql-client --image=mysql:5.7 -it --rm --restart=Never \
+      -- mysql -h mysql-cluster-mysql -u root -ppassword -e "show databases; show slave status;"

tests/lib/test-function.sh

@@ -9,7 +9,7 @@ function testbash() {
   local name="${1}"
   shift
   local command="${@}"
-  eval $command
+  eval "${command}"
   local return=$?
   if [[ ! $return -eq 0 ]]; then
     echo "${red}FAILED: ${name}${reset}"