code: def test_plot_connectome_exception_wrong_edge_threshold_format(
      threshold, adjacency, node_coords
  ):
      """Tests that a ValueError is raised when edge_threshold is an incorrectly
      formatted string.
      """
      with pytest.raises(
          ValueError,
          match=("should be a number followed by the percent sign"),
      ):
          plot_connectome(
              adjacency,
              node_coords,
              edge_threshold=threshold,
              display_mode="x",
          )
  
imports: import os
  import matplotlib.pyplot
  import numpy
  import pytest
  from matplotlib.patches import FancyArrow
  from scipy import sparse
  from nilearn.plotting import plot_connectome
label_desc: Use image node_id 20 for calling a global function with example usage: test_plot_connectome_exception_wrong_edge_threshold_format(threshold, adjacency, node_coords) without return types