fix: redis check compat tests

src/database/redis.js

@@ -53,13 +53,14 @@ redisModule.createSessionStore = async function (options) {
 
 redisModule.checkCompatibility = async function () {
 	const info = await redisModule.info(redisModule.client);
-	redisModule.checkCompatibilityVersion(info.redis_version);
+	await redisModule.checkCompatibilityVersion(info.redis_version);
 };
 
-redisModule.checkCompatibilityVersion = function (version) {
+redisModule.checkCompatibilityVersion = function (version, callback) {
 	if (semver.lt(version, '2.8.9')) {
-		throw new Error('Your Redis version is not new enough to support NodeBB, please upgrade Redis to v2.8.9 or higher.');
+		callback(new Error('Your Redis version is not new enough to support NodeBB, please upgrade Redis to v2.8.9 or higher.'));
 	}
+	callback();
 };
 
 redisModule.close = async function () {