def test_plot_block_data_vector(self):
grid = EclGrid.create_rectangular((10, 10, 10), (1, 1, 1))
config_node = EnkfConfigNode.createFieldConfigNode("FIELD", grid)
config_node.updateStateField(EnkfTruncationType.TRUNCATE_NONE, 0, 0)
obs_vector = ObsVector(EnkfObservationImplementationType.BLOCK_OBS, "OBS", config_node, 100)
pbv = PlotBlockVector(obs_vector, 0)
self.assertEqual(len(pbv), 0)
