chore: improve coverage

lib/multi.js

@@ -80,10 +80,7 @@ function execTransaction (multi) {
     err.command = 'EXEC'
     err.code = 'EXECABORT'
     return new Promise((resolve, reject) => {
-      utils.replyInOrder(client, (err, res) => {
-        if (err) return reject(err)
-        resolve(res)
-      }, null, [])
+      utils.replyInOrder(client, reject, err)
     })
   }
   const len = queue.length
@@ -145,14 +142,14 @@ class Multi {
   /**
    * Creates an instance of Multi.
    * @param {RedisClient} client
-   * @param {any[]} [args]
    * @param {string} [type]
+   * @param {any[]} [args]
    *
    * @memberof Multi
    */
-  constructor (client, args, type) {
+  constructor (client, type, args) {
     this._client = client
-    this._type = typeof type === 'string' ? type : 'multi'
+    this._type = type
     this._queue = new Queue()
     // Either undefined or an array. Fail hard if it's not an array
     if (args) {