code: def test_lmplot_facet_kws(self):
      xlim = -4, 20
      g = lm.lmplot(
          data=self.df, x="x", y="y", col="h", facet_kws={"xlim": xlim}
      )
      for ax in g.axes.flat:
          assert ax.get_xlim() == xlim
  
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 15 for calling the TestRegressionPlots obj's underlying member method code with example usage: obj.test_lmplot_facet_kws() without return types