public void UpdateStudent_EditElementStudentInXML()
{
//Arrange
StudentsContext context = new StudentsContext();
Student student = new Student()
{
Id = 9,
FirstName = "Smit",
Last = "Robenson",
Age = "32",
Gender = "0"
};
//act
context.UpdateStudent(student);
//Assert
var element = context.xDoc.Root.Elements("Student").Select(s => s).Where(s => (int)s.Attribute("Id") == 9)
.First();
Assert.IsTrue(element.Element("FirstName").Value == student.FirstName);
Assert.IsTrue(element.Element("Last").Value == student.Last);
Assert.IsTrue(element.Element("Age").Value == student.Age);
Assert.IsTrue(element.Element("Gender").Value == student.Gender);
}