public void Patient_DeleteDoctorRelationship_DeletesRelationship()
{
Patient patient = new Patient("John", "john123", "123", new DateTime(1996, 04, 25));
patient.Save();
Doctor doctor1 = new Doctor("Tom", "tom567", "567", "Cardiology");
doctor1.Save();
Doctor doctor2 = new Doctor("John", "john567", "567", "Pediatrics");
doctor2.Save();
patient.AddDoctor(doctor1);
patient.AddDoctor(doctor2);
patient.DeleteDoctorRelationship(doctor1);
List <Doctor> testList = patient.GetDoctors();
List <Doctor> controlList = new List <Doctor> {
doctor2
};
Assert.Equal(controlList, testList);
}