def METHOD_NAME(self):
    collation = BasicFieldCollation(
        [
            _make_field(lbyr=2013, lbyrd=2000),
            _make_field(lbyr=2014, lbyrd=2001),
            _make_field(lbyr=2015, lbyrd=2002),
        ]
    )
    result = collation.element_arrays_and_dims
    self.assertEqual(set(result.keys()), set(["t1", "t2"]))
    values, dims = result["t1"]
    self.assertArrayEqual(
        values,
        [datetime(2013, 1, 1), datetime(2014, 1, 1), datetime(2015, 1, 1)],
    )
    self.assertEqual(dims, (0,))
    values, dims = result["t2"]
    self.assertArrayEqual(
        values,
        [datetime(2000, 1, 1), datetime(2001, 1, 1), datetime(2002, 1, 1)],
    )
    self.assertEqual(dims, (0,))