test: fix redis tests

src/database/redis/hash.js

@@ -98,9 +98,7 @@ module.exports = function (module) {
 		if (!Array.isArray(keys) || !keys.length) {
 			return [];
 		}
-		if (!Array.isArray(fields)) {
-			return keys.map(() => ({}));
-		}
+
 		const cachedData = {};
 		const unCachedKeys = cache.getUnCachedKeys(keys, cachedData);
 
@@ -118,7 +116,7 @@ module.exports = function (module) {
 			cache.set(key, cachedData[key]);
 		});
 
-		if (!fields.length) {
+		if (!Array.isArray(fields) || !fields.length) {
 			return keys.map(key => (cachedData[key] ? { ...cachedData[key] } : null));
 		}
 		return keys.map((key) => {