Add a bit more delay to backend test in case Travis is loaded
Add a bit more delay to backend test in case Travis is loaded

kingland/vault,rnaveiras/vault,Aloomaio/vault,joelthompson/vault,hashicorp/vault,hartsock/vault,joelthompson/vault,quixoten/vault,deverton/hashicorp-vault,naunga/vault,hartsock/vault,hashicorp/vault,joelthompson/vault,wjam/vault,kingland/vault,mgk/vault,rnaveiras/vault,kingland/vault,kingland/vault,Aloomaio/vault,quixoten/vault,joelthompson/vault,mgk/vault,naunga/vault,Aloomaio/vault,hashicorp/vault,rnaveiras/vault,hartsock/vault,hashicorp/vault,kingland/vault,lemondrank/vault,quixoten/vault,rnaveiras/vault,lemondrank/vault,rnaveiras/vault,hashicorp/vault,deverton/hashicorp-vault,mgk/vault,mgk/vault,hartsock/vault,wjam/vault,Aloomaio/vault,hashicorp/vault,hartsock/vault,quixoten/vault