public void TestDeleteContactFromGroupTests()
        {
            GroupData          group = GroupData.GetGroups()[0];
            List <ContactData> oldContactInGroupList = group.GetContacts();
            ContactData        contact = group.GetContacts().First();

            app.Contact.DeleteContactFromGroup(contact, group);

            //actions
            List <ContactData> newContactInGroupList = group.GetContacts();

            oldContactInGroupList.Remove(contact);
            newContactInGroupList.Sort();
            oldContactInGroupList.Sort();

            Assert.AreEqual(oldContactInGroupList, newContactInGroupList);
        }