Build: Fix Redis/Memcached integration tests (#64298)

* Build: Fix integration cache tests

* Allow REDIS_URL with scheme

* Reduce cache integration tests timeout to 5m

* Apply suggestion from code review

* Run redis/memcached integration tests in OSS pipelines

* Change redis image

pkg/services/live/managedstream/cache_redis_test.go

@@ -1,18 +1,34 @@
-//go:build redis
-// +build redis
-
 package managedstream
 
 import (
+	"os"
 	"testing"
 
 	"github.com/go-redis/redis/v8"
 	"github.com/stretchr/testify/require"
 )
 
-func TestRedisCacheStorage(t *testing.T) {
+func TestIntegrationRedisCacheStorage(t *testing.T) {
+	if testing.Short() {
+		t.Skip("skipping integration test")
+	}
+
+	u, ok := os.LookupEnv("REDIS_URL")
+	if !ok || u == "" {
+		t.Skip("No redis URL supplied")
+	}
+
+	addr := u
+	db := 0
+	parsed, err := redis.ParseURL(u)
+	if err == nil {
+		addr = parsed.Addr
+		db = parsed.DB
+	}
+
 	redisClient := redis.NewClient(&redis.Options{
-		Addr: "localhost:6379",
+		Addr: addr,
+		DB:   db,
 	})
 	c := NewRedisFrameCache(redisClient)
 	require.NotNil(t, c)