code: def test_update_np_datetime_partial_timestamp_s(self, util):
      tbl = Table(
          {
              "a": [np.datetime64(datetime(2019, 7, 11, 11, 0))],
              "idx": [1],
          },
          index="idx",
      )
  
      tbl.update(
          {
              "a": np.array(
                  [util.to_timestamp(datetime(2019, 7, 12, 11, 0))]
              ),
              "idx": np.array([1]),
          }
      )
  
      assert tbl.view().to_dict() == {
          "a": [datetime(2019, 7, 12, 11, 0)],
          "idx": [1],
      }
  
imports: import numpy
  from datetime import date, datetime
  from pytest import mark
  from perspective.table import Table
label_desc: Use image node_id 15 for calling the TestUpdateNumpy obj's underlying member method code with example usage: obj.test_update_np_datetime_partial_timestamp_s(util) without return types