Replace check for integration tests. (#110707)

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

pkg/tests/api/admin/encryption/reencrypt_test.go

@@ -21,6 +21,7 @@ import (
 	"github.com/grafana/grafana/pkg/services/ngalert/notifier"
 	"github.com/grafana/grafana/pkg/tests/testinfra"
 	"github.com/grafana/grafana/pkg/tests/testsuite"
+	"github.com/grafana/grafana/pkg/util/testutil"
 )
 
 func TestMain(m *testing.M) {
@@ -28,9 +29,8 @@ func TestMain(m *testing.M) {
 }
 
 func TestIntegration_AdminApiReencrypt(t *testing.T) {
-	if testing.Short() {
-		t.Skip("skipping integration test in short mode")
-	}
+	testutil.SkipIntegrationTestInShortMode(t)
+
 	const (
 		dataSourceTable              = "data_source"
 		secretsTable                 = "secrets"