Replace check for integration tests. (#110707)

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

pkg/server/module_server_test.go

@@ -11,6 +11,7 @@ import (
 	"github.com/grafana/grafana/pkg/infra/db"
 	"github.com/grafana/grafana/pkg/modules"
 	"github.com/grafana/grafana/pkg/tests/testsuite"
+	"github.com/grafana/grafana/pkg/util/testutil"
 	"github.com/stretchr/testify/require"
 )
 
@@ -19,9 +20,8 @@ func TestMain(m *testing.M) {
 }
 
 func TestIntegrationWillRunInstrumentationServerWhenTargetHasNoHttpServer(t *testing.T) {
-	if testing.Short() {
-		t.Skip("skipping integration test")
-	}
+	testutil.SkipIntegrationTestInShortMode(t)
+
 	if db.IsTestDbSQLite() {
 		t.Skip("sqlite is not supported by the storage server target")
 	}