School/SchoolTest/SchoolTest.cs

using System;
using System.Linq;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using SchoolProject;

namespace SchoolTest
{
    [TestClass]
    public class SchoolTest
    {
        [TestMethod]
        public void AddEmployeeTest()
        {

        }


        [TestMethod]
        public void EditEmployeeTest()
        {

        }

        [TestMethod]
        public void DeleteEmployeeTest()
        {
            Employee TestEmployee = new Employee
            {
                LastName = "Test",
                Name = "Test",
                MiddleName = "Test",
                IDPosition = 1,
                IDSubdivision = 1
            };
            DB.db.Employee.Add(TestEmployee);
            DB.Save();
            ShowEmployeePage showEmployeePage = new ShowEmployeePage();
            //Кнопка "Нет"
            Assert.IsFalse(showEmployeePage.DeleteEmployee(TestEmployee));
            //Кнопка "Да"
            Assert.IsTrue(showEmployeePage.DeleteEmployee(TestEmployee));
            var FindEmploye = DB.db.Employee.FirstOrDefault(x => x.LastName == "Test");
            Assert.IsNull(FindEmploye);

        }
    }
}