code: def test_dist(self, space_args, point_a, point_b, expected):
      space = self.testing_data._PointSet(*space_args)
      results = space.metric.dist(point_a, point_b)
  
      self.assertAllClose(results, expected)
  
imports: from collections.abc import Iterable
  import geomstats.backend
  from geomstats.test.test_case import TestCase
label_desc: Use image node_id 2 for calling the PointSetMetricTestCase obj's underlying member method code with example usage: obj.test_dist(space_args, point_a, point_b, expected) without return types