Replace check for integration tests. (#110707)

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

pkg/api/plugin_resource_test.go

@@ -38,13 +38,13 @@ import (
 	"github.com/grafana/grafana/pkg/setting"
 	"github.com/grafana/grafana/pkg/tsdb/cloudwatch"
 	testdatasource "github.com/grafana/grafana/pkg/tsdb/grafana-testdata-datasource"
+	"github.com/grafana/grafana/pkg/util/testutil"
 	"github.com/grafana/grafana/pkg/web/webtest"
 )
 
 func TestIntegrationCallResource(t *testing.T) {
-	if testing.Short() {
-		t.Skip("skipping integration test in short mode")
-	}
+	testutil.SkipIntegrationTestInShortMode(t)
+
 	staticRootPath, err := filepath.Abs("../../public/")
 	require.NoError(t, err)