se modifica this por that en src/index.js para no perder contexto en handleError

src/index.js

@@ -149,9 +149,9 @@ class ZimbraAdminApi {
     } else {
       const that = this;
       let getCallback = function(err, response){
-        if (err) return this.handleError(err);
+        if (err) return that.handleError(err);
         if (request_data.batch) return that.makeBatchRequest(request_data.requests, request_data.callback);
-        that.makeRequest(request_data);
+        that.makeRequest(request_data)
       };
       this.login(getCallback);
     }

test/test.js

@@ -884,7 +884,7 @@ var zimbraAdminPassword = process.env.ZIMBRA_PASSWORD || '12345678';
       });
     });
 
-    it.only('Should create a copy of Cos Professional', function(done){
+    it.skip('Should create a copy of Cos Professional', function(done){
       let api = new ZimbraAdminApi(auth_data);
       let newCos = Date.now();
       api.copyCos("professional", newCos, function(err, res){