Replace remaining calls to testing.Short where possible. (#110765)

* Replace remaining calls to testing.Short where possible.
* Update style guide.
* Revert change in TestAlertmanager_ExtraDedupStage, as it doesn't work.
* Make TestAlertRulePostExport into integration test.

pkg/tests/testinfra/testinfra.go

@@ -12,14 +12,16 @@ import (
 	"testing"
 	"time"
 
-	"github.com/grafana/grafana/pkg/configprovider"
-	"github.com/grafana/grafana/pkg/services/featuremgmt"
-	"github.com/grafana/grafana/pkg/services/sqlstore/sqlutil"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"gopkg.in/ini.v1"
 
+	"github.com/grafana/grafana/pkg/configprovider"
+	"github.com/grafana/grafana/pkg/services/featuremgmt"
+	"github.com/grafana/grafana/pkg/services/sqlstore/sqlutil"
+	"github.com/grafana/grafana/pkg/util/testutil"
+
 	"github.com/grafana/dskit/kv"
 
 	"github.com/grafana/grafana/pkg/api"
@@ -570,8 +572,9 @@ func CreateGrafDir(t *testing.T, opts GrafanaOpts) (string, string) {
 
 func SQLiteIntegrationTest(t *testing.T) {
 	t.Helper()
+	testutil.SkipIntegrationTestInShortMode(t)
 
-	if testing.Short() || !db.IsTestDbSQLite() {
+	if !db.IsTestDbSQLite() {
 		t.Skip("skipping integration test")
 	}
 }