Replace check for integration tests. (#110707)

* Replace check for integration tests.
* Revert changes in pkg/tsdb/mysql packages.
* Fix formatting of few tests.

pkg/services/stats/statsimpl/stats_test.go

@@ -27,6 +27,7 @@ import (
 	"github.com/grafana/grafana/pkg/services/user/userimpl"
 	"github.com/grafana/grafana/pkg/setting"
 	"github.com/grafana/grafana/pkg/tests/testsuite"
+	"github.com/grafana/grafana/pkg/util/testutil"
 )
 
 func TestMain(m *testing.M) {
@@ -34,9 +35,8 @@ func TestMain(m *testing.M) {
 }
 
 func TestIntegrationStatsDataAccess(t *testing.T) {
-	if testing.Short() {
-		t.Skip("skipping integration test")
-	}
+	testutil.SkipIntegrationTestInShortMode(t)
+
 	db, cfg := db.InitTestDBWithCfg(t)
 	orgSvc := populateDB(t, db, cfg)
 	dashSvc := &dashboards.FakeDashboardService{}