[v9.3.x] Chore: All tests under pkg/tests should be integration tests (#60071)

Chore: All tests under pkg/tests should be integration tests (#59521)

* Chore: All tests under pkg/tests should be integrationtests

* run alerting integration tests only for sqlite

(cherry picked from commit 2db8ed9441)

Co-authored-by: Marcus Efraimsson <marcus.efraimsson@gmail.com>

pkg/tests/api/alerting/api_notification_channel_test.go

@@ -31,7 +31,9 @@ import (
 	"github.com/grafana/grafana/pkg/tests/testinfra"
 )
 
-func TestTestReceivers(t *testing.T) {
+func TestIntegrationTestReceivers(t *testing.T) {
+	testinfra.SQLiteIntegrationTest(t)
+
 	t.Run("assert no receivers returns 400 Bad Request", func(t *testing.T) {
 		// Setup Grafana and its Database
 		dir, path := testinfra.CreateGrafDir(t, testinfra.GrafanaOpts{
@@ -423,7 +425,9 @@ func TestTestReceivers(t *testing.T) {
 	})
 }
 
-func TestTestReceiversAlertCustomization(t *testing.T) {
+func TestIntegrationTestReceiversAlertCustomization(t *testing.T) {
+	testinfra.SQLiteIntegrationTest(t)
+
 	t.Run("assert custom annotations and labels are sent", func(t *testing.T) {
 		// Setup Grafana and its Database
 		dir, path := testinfra.CreateGrafDir(t, testinfra.GrafanaOpts{
@@ -693,7 +697,9 @@ func TestTestReceiversAlertCustomization(t *testing.T) {
 	})
 }
 
-func TestNotificationChannels(t *testing.T) {
+func TestIntegrationNotificationChannels(t *testing.T) {
+	testinfra.SQLiteIntegrationTest(t)
+
 	dir, path := testinfra.CreateGrafDir(t, testinfra.GrafanaOpts{
 		DisableLegacyAlerting: true,
 		EnableUnifiedAlerting: true,