code: def test_series_labelling():
      data = pd.DataFrame(
          {
              "x_axis_label": [1, 2, 3],
              "y_axis_label": [1, 2, 3],
              "color_label": ["a", "b", "c"],
          }
      )
      p = qplot(
          data.x_axis_label, data.y_axis_label, color=data.color_label
      )
      assert p == "series_labelling"
  
file_path: plotnine/tests/test_qplot.py
imports: import numpy
  import pandas
  import pytest
  from plotnine import qplot
  from plotnine.exceptions import PlotnineWarning
label_desc: Use image node_id 11 for calling a global function with example usage: test_series_labelling() without return types