docstr: Test long_tail_plot function
  
  This test assumes the plot output is correct        
docstr_tok: ["Test","long_tail_plot","function","This","test","assumes","the","plot","output","is","correct"]
code: def test_coverage_plot(self, mock_plt):
      """
      Test long_tail_plot function
  
      This test assumes the plot output is correct
      """
  
      # GIVEN coverage_plot inputs
      test_coverage_scores = [0.17, 0.25, 0.76]
  
      test_model_names = ["Model A", "Model B", "Model C"]
  
      # WHEN plots.coverage_plot is run
      plots.coverage_plot(
          coverage_scores=test_coverage_scores,
          model_names=test_model_names,
      )
  
      # # THEN validate plt.figure is called
      self.assertTrue(mock_plt.barplot.called)
  
file_path: recmetrics/tests/test_plots.py
imports: import unittest
  from unittest import mock
  import numpy
  import pandas
  from recmetrics import plots
label_desc: Use image node_id 2 for calling the TestPlots obj's underlying member method code with example usage: obj.test_coverage_plot(mock_plt) without return types