code: def test_trace_repr_elided(self):
      N = 1000
      scatt = go.Scatter(
          y=list(range(N)),
          marker={
              "color": "green",
              "opacity": [e / N for e in range(N)],
          },
      )
  
      expected = """\
  Scatter({
      'marker': {'color': 'green',
                 'opacity': [0.0, 0.001, 0.002, ..., 0.997, 0.998, 0.999]},
      'y': [0, 1, 2, ..., 997, 998, 999]
  })"""
      self.assertEqual(scatt.__repr__(), expected)
  
imports: from unittest import TestCase
  import plotly.graph_objs
label_desc: Use image node_id 2 for calling the TestGraphObjRepr obj's underlying member method code with example usage: obj.test_trace_repr_elided() without return types