'It should be possible to insert a new RVKC after an existing one
specified by the full keyword/field-specifier combination.'

def test_rvkc_insert_after(self):

    self._test_header.set('DP1', 'AXIS.3:    1', 'a    comment', after='DP1.AXIS.2')
    assert (self._test_header[3] == 1)
    assert (self._test_header['DP1.AXIS.3'] == 1)
