public void MaNVTest(string name, string maNV)
        {
            mockIDataProvider.Setup(x => x.ExecuteScalar(It.IsNotNull <string>(), new object[] { name })).Returns(maNV);
            var result = dangNhapBUS.MaNV(name);

            Assert.True(result.Equals(maNV));
            mockIDataProvider.VerifyAll();
        }