tests: migrate demandimport.py away from deprecated `util` module symbols
@echo offrem Double-click this file to (re)build Mercurial for Windows in place.rem Useful for testing and development.cd ..\..del /Q mercurial\*.pyddel /Q mercurial\*.pycrmdir /Q /S mercurial\localepython setup.py build_py -c -d . build_ext -i build_mopause