public ApprenticeCommitmentsInnerApiMock WithExistingApprenticeshipsForApprentice(Apprentice apprentice)
        {
            _existingApprenticeships.Apprenticeships = Fake.ApprenticeshipsForThisApprentice(apprentice).ToList();
            WithApprenticeshipsResponseForApprentice(apprentice, _existingApprenticeships);

            return(this);
        }