code: def test_dotdensity():
      p = ggplot(data, aes("x")) + geom_dotplot(bins=15)
  
      assert p == "dotdensity"
  
file_path: plotnine/tests/test_geom_dotplot.py
imports: import pandas
  from plotnine import aes, geom_dotplot, ggplot
label_desc: Use image node_id 1 for calling a global function with example usage: test_dotdensity() without return types