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); }