def METHOD_NAME():
    files_path_list = []
    if not os.name == 'nt':
        fname0 = os.path.join(*['','','documents','test','test.py'])
        files_path_list.append(fname0)
        fname1 = os.path.join(*['','','documents','projects','test','test.py'])
        files_path_list.append(fname1)
    else:
        fname0 = os.path.join(*['c:','','documents','test','test.py'])
        files_path_list.append(fname0)
        fname1 = os.path.join(*['c:','','documents','projects','test','test.py'])
        files_path_list.append(fname1)
    title0 = 'test.py - ' + os.path.join(*['test'])
    title1 = 'test.py - ' + os.path.join(*['projects','test'])
    assert sourcecode.disambiguate_fname(files_path_list, fname0) == title0
    assert sourcecode.disambiguate_fname(files_path_list, fname1) == title1