code: def test_lmplot_basic(self):
      g = lm.lmplot(x="x", y="y", data=self.df)
      ax = g.axes[0, 0]
      assert len(ax.lines) == 1
      assert len(ax.collections) == 2
  
      x, y = ax.collections[0].get_offsets().T
      npt.assert_array_equal(x, self.df.x)
      npt.assert_array_equal(y, self.df.y)
  
imports: import warnings
  import numpy
  import matplotlib
  import matplotlib.pyplot
  import pandas
  import pytest
  import numpy.testing
  import pandas.testing
  from seaborn import regression
  from seaborn.palettes import color_palette
label_desc: Use image node_id 6 for calling the TestRegressionPlots obj's underlying member method code with example usage: obj.test_lmplot_basic() without return types