code: def test_ribbon_coord_flip():
      data = pd.DataFrame(
          {"x": [0, 1, 2, 3, 4, 5], "y": [0, 3, 5, 5, 3, 0]}
      )
  
      p = (
          ggplot(data, aes("x"))
          + geom_ribbon(aes(ymax="y"), ymin=0)
          + coord_flip()
      )
  
      assert p == "ribbon_coord_flip"
  
file_path: plotnine/tests/test_geom_ribbon_area.py
imports: import numpy
  import pandas
  from plotnine import aes, after_stat, coord_flip, facet_wrap, geom_area, geom_line, geom_ribbon, ggplot, scale_x_continuous
label_desc: Use image node_id 4 for calling a global function with example usage: test_ribbon_coord_flip() without return types