code: def test_minor_ticks():
      plt.figure()
      plt.plot(np.arange(1, 10))
      tick_pos, tick_labels = plt.xticks(minor=True)
      assert np.all(tick_labels == np.array([], dtype=np.float64))
      assert tick_labels == []
  
      plt.yticks(ticks=[3.5, 6.5], labels=["a", "b"], minor=True)
      ax = plt.gca()
      tick_pos = ax.get_yticks(minor=True)
      tick_labels = ax.get_yticklabels(minor=True)
      assert np.all(tick_pos == np.array([3.5, 6.5]))
      assert [l.get_text() for l in tick_labels] == ["a", "b"]
  
imports: import difflib
  import numpy
  import sys
  from pathlib import Path
  import pytest
  import matplotlib
  from matplotlib.testing import subprocess_run_for_testing
  from matplotlib import pyplot
label_desc: Use image node_id 24 for calling a global function with example usage: test_minor_ticks() without return types