code: def test_additions(
      lines: List[Tuple[int, int]], adjusted: List[Tuple[int, int]]
  ) -> None:
      original_source = """\
  1. first line
  2. second line
  """
      modified_source = """\
  this is added
  1. first line
  this is added
  this is added
  2. second line
  this is added
  """
      assert adjusted == adjusted_lines(
          lines, original_source, modified_source
      )
  
file_path: black/tests/test_ranges.py
imports: from typing import List, Tuple
  import pytest
  from black.ranges import adjusted_lines
label_desc: Use image node_id 4 for calling a global function with example usage: test_additions(lines, adjusted) without return types