code: def test_ls_colors_out_dir():
      ls_colors = LsColors(LsColors.default)
      assert colorize(ls_colors)("dir", "do") == "\x1b[01;34mdir\x1b[0m"
  
file_path: dvc/tests/unit/command/ls/test_ls_colors.py
imports: from dvc.commands.ls.ls_colors import LsColors
label_desc: Use image node_id 3 for calling a global function with example usage: test_ls_colors_out_dir() without return types