def METHOD_NAME(self):
    """tests real displacements"""
    table_name = 'OUGV1'
    node_gridtype = np.zeros((10, 2), dtype='int32')
    node_gridtype[:, 0] = np.arange(1, 11)
    data = np.zeros((1, 10, 6), dtype='float32')
    isubcase = 1
    disp = RealDisplacementArray.add_static_case(
        table_name, node_gridtype, data, isubcase, is_sort1=True)
    disp.code_information()
    with open('disp.f06', 'w') as f06_file:
        disp.write_f06(f06_file, header=None, page_stamp='PAGE %s',
                       page_num=1, is_mag_phase=False, is_sort1=True)
    itable = 1
    new_result = False
    date = None
    with open('disp.op2', 'wb') as op2_file, open('disp.txt', 'w') as fascii:
        disp.write_op2(op2_file, fascii, itable, new_result,
              date, is_mag_phase=False, endian=b'<')
    os.remove('disp.f06')
    os.remove('disp.op2')
    os.remove('disp.txt')