code: def subplot_input_argument_tests():
      options = {
          "shape": [(3, 1)],
          "shared_xaxes": [True],
          "vertical_spacing": [0.02],
          "fill": [True],
          "subplot_titles": [True],
          "legend": [False],
      }
  
      def subplot_test(self, **kwargs):
          self._iplot(self.df, subplots=True, **kwargs)
  
      _generate_tests(TestIPlot, subplot_test, "subplots", options)
  
imports: import cufflinks
  import pandas
  import numpy
  import unittest
  from nose.tools import assert_equals
label_desc: Use image node_id 10 for calling a global function with example usage: subplot_input_argument_tests() without return types