docstr: ...Test plot_history rendering on a log scale
          
code: def test_plot_history_solver_log_scale(self):
      """...Test plot_history rendering on a log scale"""
  
      fig = plot_history(
          [self.solver1, self.solver2],
          show=False,
          dist_min=True,
          log_scale=True,
      )
      ax = fig.axes[0]
      self.assertEqual(ax.yaxis.get_scale(), "log")
  
file_path: tick/tick/plot/tests/plot_history_test.py
imports: import unittest
  import numpy
  from tick.linear_model import LogisticRegression
  from tick.plot import plot_history
  from tick.solver import GD, AGD, History
label_desc: Use image node_id 4 for calling the Test obj's underlying member method code with example usage: obj.test_plot_history_solver_log_scale() without return types