code: def test_subplot_1_in_constructor(self):
      layout = go.Layout(
          xaxis1=go.layout.XAxis(title={"text": "xaxis 1"})
      )
      self.assertEqual(layout.xaxis1.title.text, "xaxis 1")
  
file_path: plotly.py/packages/python/plotly/plotly/tests/test_core/test_graph_objs/test_layout_subplots.py
imports: from unittest import TestCase
  import pytest
  import plotly.graph_objs
  import plotly.io
label_desc: Use image node_id 10 for calling the TestLayoutSubplots obj's underlying member method code with example usage: obj.test_subplot_1_in_constructor() without return types