code: def test_group_binpositions_all(self):
      p = self.p + geom_dotplot(bins=15, binpositions="all")
  
      assert p == "group_basic"
  
file_path: plotnine/tests/test_geom_dotplot.py
imports: import pandas
  from plotnine import aes, geom_dotplot, ggplot
label_desc: Use image node_id 2 for calling the TestGrouping obj's underlying member method code with example usage: obj.test_group_binpositions_all() without return types