public void AddEmployee_ReturnsOkResult()
        {
            // Arrange
            var employee = new EmployeesTableDetails()
            {
                FirstName    = "",
                LastName     = "",
                Gender       = "",
                Email        = "",
                Address      = "",
                Designation  = "",
                Salary       = 0,
                MobileNumber = "",
                Password     = ""
            };

            // Act
            var OkResponse = controller.AddEmployeesRecords(employee);

            // Assert
            Assert.IsType <OkObjectResult>(OkResponse);
        }