public async Task AddTeachersToAssignmentShouldReturnOkIfSuccessful(string ids)
{
SetUpMockForUpdateStatusSystem();
AddTeacherModel addTeacherModel = new AddTeacherModel
{
AssignmentId = 1,
TeacherIds = ids
};
_internshipAssignmentMock.Setup(_internshipAssignmentMock => _internshipAssignmentMock.GetInternshipAssignmentById(It.IsAny <int>()))
.Returns(GetInternshipAssignment());
var action = await _assignmentsController.AddTeachersToAssignment(addTeacherModel);
var result = (OkResult)action;
Assert.That(result.StatusCode, Is.EqualTo(200));
}