public void ShowWorkers_Should()
        {
            // Arrange
            MockInstances.SetToInstances();
            var command = new ShowWorkersCommand();
            DataBaseMember.AddMember(MockInstances.MockMember);
            DataBaseMember.AddMember(MockInstances.MockMember2);

            //Act
            var result = DataBaseMember.ListMembers().Where(p => p.IsTeamMember == false).ToList();
            List<string> names = command.GetWorkerNames(result);
            string expected = "Albert";
            string actual = string.Join(' ', names);

            //Assert
            Assert.AreEqual(expected, actual);
        }