public async Task DeleteEmployee_WhenNotExists() { await dbContext.Employees.AddAsync(new Employee { Name = "Ola AAA", Email = "*****@*****.**", EmployeeId = 4 }); await dbContext.Employees.AddAsync(new Employee { Name = "Ola 2", Email = "*****@*****.**", EmployeeId = 5 }); await dbContext.SaveChangesAsync(); var dao = new PostgresDataAccessObjectService(dbContext); var coll = dao.GetAllEmployees(); Assert.Equal(2, coll.Count); dao.DeleteEmployee(477); coll = dao.GetAllEmployees(); Assert.Equal(2, coll.Count); }