code: def shape_files(tmp_path):
      p1 = tmp_path / "shape1.txt"
      with p1.open("w") as f:
          f.write("a 1000,80\n")
          f.write("b 400,80\n")
          f.write("c 800,80\n")
          f.write("d 789,80\n")
          f.write("e 1023,80\n")
          f.write("f 999,80\n")
  
      p2 = tmp_path / "shape2.txt"
      with p2.open("w") as f:
          f.write("a 30,30\n")
          f.write("b 50,30\n")
          f.write("c 39,30\n")
          f.write("d 49,30\n")
          f.write("e 44,30\n")
          f.write("f 99,30\n")
  
      return str(p1), str(p2)
  
imports: import pytest
  from espnet2.samplers.build_batch_sampler import build_batch_sampler
label_desc: Use image node_id 1 for calling a global function with example usage: shape_files(tmp_path) and returns: str,  str