public void StudentControllerCheckResultTest()
{
//Arrange
bool isResultChecked = false;
var resultAccess = new Mock <ResultAccess>(new DBAccess());
resultAccess.Setup(t => t.GetResultOfStudent(It.IsAny <string>(), It.IsAny <int>())).Callback(() => isResultChecked = true);
Student student = new Student("Ivan", "Ivanov", "Studak", "Zachotka", "TEST", "ivanov");
StudentController studentController = new StudentController(resultAccess.Object, student);
Exam exam = new Exam("SomeExam", 1, 3, 1);
//Act
studentController.CheckResult(exam);
//Assert
Assert.IsTrue(isResultChecked);
}