docstr: Test the ability to set the mpl configuration rc dict
docstr_tok: ["Test","the","ability","to","set","the","mpl","configuration","rc","dict"]
code: def test_set_rc(self):
      """
      Test the ability to set the mpl configuration rc dict
      """
      yb_rcmod.set_aesthetic(rc={"lines.linewidth": 4})
      assert mpl.rcParams["lines.linewidth"] == 4
      yb_rcmod.set_aesthetic()
  
imports: import pytest
  import numpy
  import matplotlib
  import numpy.testing
  import yellowbrick.style.rcmod
  from tests.base import VisualTestCase
label_desc: Use image node_id 6 for calling the TestAxesStyle obj's underlying member method code with example usage: obj.test_set_rc() without return types