public void GetCourseStudentInfo()
{
Student pesho = new Student("Pepito", 10101);
pesho.AddCourse(new Course("Pottary"));
StringBuilder actualResult = new StringBuilder();
actualResult.AppendLine(pesho.DisplayCourseInfoToConsoleAndReturnValue());
StringBuilder expectedResult = new StringBuilder();
expectedResult.AppendLine("Pepito is attending:");
expectedResult.AppendFormat("Course name: Pottary");
expectedResult.AppendLine();
Assert.AreEqual(expectedResult, expectedResult);
}