code: def test_read_csvs_zero_csv_path():
      # Setup
      # When no CSV files are on disk
  
      # When reading files the functions raises ValueError.
      try:
          io.read_csvs("nofilesondisk.csv")
          raise Exception
      except ValueError:
          pass
      finally:
          remove_csv_files()
  
file_path: pyjanitor/tests/io/test_read_csvs.py
imports: import glob
  import os
  import pandas
  import pytest
  from janitor import io
label_desc: Use image node_id 4 for calling a global function with example usage: test_read_csvs_zero_csv_path() without return types