diff --git a/pkg/services/sqlstore/sqlstore.go b/pkg/services/sqlstore/sqlstore.go
index e7d578edb87..f9330a4f5b8 100644
--- a/pkg/services/sqlstore/sqlstore.go
+++ b/pkg/services/sqlstore/sqlstore.go
@@ -335,6 +335,7 @@ func (ss *SqlStore) readConfig() {
 type ITestDB interface {
 	Helper()
 	Fatalf(format string, args ...interface{})
+	Logf(format string, args ...interface{})
 }
 
 // InitTestDB initialize test DB.
@@ -378,6 +379,7 @@ func InitTestDB(t ITestDB) *SqlStore {
 	}
 
 	// need to get engine to clean db before we init
+	t.Logf("Creating database connection: %q", sec.Key("connection_string"))
 	engine, err := xorm.NewEngine(dbType, sec.Key("connection_string").String())
 	if err != nil {
 		t.Fatalf("Failed to init test database: %v", err)
diff --git a/pkg/services/sqlstore/sqlutil/sqlutil.go b/pkg/services/sqlstore/sqlutil/sqlutil.go
index f73985fb1ba..95746315a12 100644
--- a/pkg/services/sqlstore/sqlutil/sqlutil.go
+++ b/pkg/services/sqlstore/sqlutil/sqlutil.go
@@ -6,6 +6,6 @@ type TestDB struct {
 }
 
 var TestDB_Sqlite3 = TestDB{DriverName: "sqlite3", ConnStr: ":memory:"}
-var TestDB_Mysql = TestDB{DriverName: "mysql", ConnStr: "grafana:password@tcp(localhost:3306)/grafana_tests?collation=utf8mb4_unicode_ci"}
-var TestDB_Postgres = TestDB{DriverName: "postgres", ConnStr: "user=grafanatest password=grafanatest host=localhost port=5432 dbname=grafanatest sslmode=disable"}
+var TestDB_Mysql = TestDB{DriverName: "mysql", ConnStr: "grafana:password@tcp(mysql:3306)/grafana_tests?collation=utf8mb4_unicode_ci"}
+var TestDB_Postgres = TestDB{DriverName: "postgres", ConnStr: "user=grafanatest password=grafanatest host=postgres port=5432 dbname=grafanatest sslmode=disable"}
 var TestDB_Mssql = TestDB{DriverName: "mssql", ConnStr: "server=localhost;port=1433;database=grafanatest;user id=grafana;password=Password!"}