Chore: Update test database initialization (#81673)

* streamline initialization of test databases, support on-disk sqlite test db

* clean up test databases

* introduce testsuite helper

* use testsuite everywhere we use a test db

* update documentation

* improve error handling

* disable entity integration test until we can figure out locking error

pkg/services/store/entity/sqlstash/sql_storage_server_test.go

@@ -11,8 +11,13 @@ import (
 	"github.com/grafana/grafana/pkg/services/store/entity"
 	"github.com/grafana/grafana/pkg/services/store/entity/db/dbimpl"
 	"github.com/grafana/grafana/pkg/setting"
+	"github.com/grafana/grafana/pkg/tests/testsuite"
 )
 
+func TestMain(m *testing.M) {
+	testsuite.Run(m)
+}
+
 func TestCreate(t *testing.T) {
 	s := setUpTestServer(t)
 

pkg/services/store/entity/tests/common_test.go

@@ -18,8 +18,13 @@ import (
 	"github.com/grafana/grafana/pkg/services/store/entity/sqlstash"
 	"github.com/grafana/grafana/pkg/services/user"
 	"github.com/grafana/grafana/pkg/tests/testinfra"
+	"github.com/grafana/grafana/pkg/tests/testsuite"
 )
 
+func TestMain(m *testing.M) {
+	testsuite.Run(m)
+}
+
 func createServiceAccountAdminToken(t *testing.T, env *server.TestEnv) (string, *user.SignedInUser) {
 	t.Helper()
 

pkg/services/store/entity/tests/server_integration_test.go

@@ -110,9 +110,9 @@ func requireVersionMatch(t *testing.T, obj *entity.Entity, m objectVersionMatche
 }
 
 func TestIntegrationEntityServer(t *testing.T) {
+	// TODO figure out why this still runs into sqlite database locked error
 	if true {
-		// TODO: enable this test once we fix test "database locked" issues
-		t.Skip()
+		t.Skip("skipping integration test")
 	}
 
 	if testing.Short() {