code: def mergeTests():
      ret = checkMergeSize()
      ret |= unitTests()
      ret |= checkStyle()
      if ret == 0:
          print("\033[0;32m" + "\nAll merge tests passed." + "\033[0m")
      else:
          print("\033[0;31m" + "\nMerge tests failed." + "\033[0m")
      return ret
  
imports: from contextlib import suppress
  import json
  import os
  import re
  import shutil
  import subprocess
  import sys
  from distutils import core
  from typing import Dict, Any
  from .generateChangelog import generateDebianChangelog
label_desc: Use image node_id 5 for calling a global function with example usage: mergeTests() and returns: ret