store/sqlstore cleanup and postgres tests (#7595)

* sqlstore cleanup / postgres tests

* remove stopped containers

* cmd/platform compile fix

* remove test-postgres target from makefile

cmd/platform/jobserver.go

@@ -10,6 +10,7 @@ import (
 	l4g "github.com/alecthomas/log4go"
 	"github.com/mattermost/mattermost-server/store"
 	"github.com/mattermost/mattermost-server/store/sqlstore"
+	"github.com/mattermost/mattermost-server/utils"
 	"github.com/spf13/cobra"
 )
 
@@ -36,7 +37,7 @@ func jobserverCmdF(cmd *cobra.Command, args []string) {
 	}
 	defer l4g.Close()
 
-	a.Jobs.Store = store.NewLayeredStore(sqlstore.NewSqlSupplier(a.Metrics), a.Metrics, a.Cluster)
+	a.Jobs.Store = store.NewLayeredStore(sqlstore.NewSqlSupplier(utils.Cfg.SqlSettings, a.Metrics), a.Metrics, a.Cluster)
 	defer a.Jobs.Store.Close()
 
 	a.Jobs.LoadLicense()