code: def test_symmetric_from_opts(self, df, backend):
      plot = df.hvplot.scatter("x", "y", c="number", symmetric=True)
      plot_opts = Store.lookup_options(backend, plot, "plot")
      assert plot_opts.kwargs["symmetric"] is True
      style_opts = Store.lookup_options(backend, plot, "style")
      assert style_opts.kwargs["cmap"] == "coolwarm"
  
imports: import hvplot
  import holoviews
  import numpy
  import pandas
  import pytest
  import xarray
  from holoviews import Store
  from holoviews.core.options import Options, OptionTree
label_desc: Use image node_id 34 for calling the TestOptions obj's underlying member method code with example usage: obj.test_symmetric_from_opts(df, backend) without return types