Physical postgres docker test (#5926)
Physical postgres docker test (#5926)

* Docker support for postgres backend testing

* Bug in handling of postgres connection url for non docker testing

* Test should fail if it cannot retrieve pg version

* internal helperfunctions pascalCasing

joelthompson/vault,hashicorp/vault,hartsock/vault,kingland/vault,kingland/vault,hashicorp/vault,hartsock/vault,rnaveiras/vault,rnaveiras/vault,hashicorp/vault,hartsock/vault,kingland/vault,joelthompson/vault,hartsock/vault,hashicorp/vault,kingland/vault,quixoten/vault,hashicorp/vault,joelthompson/vault,hartsock/vault,quixoten/vault,quixoten/vault,quixoten/vault,hashicorp/vault,joelthompson/vault,rnaveiras/vault,rnaveiras/vault,kingland/vault,rnaveiras/vault