code: def test_skipped_imports(tmpdir: Path) -> None:
      # Tests that modules starting with an "_" (but not "__") are skipped
  
      discovered_plugins = [
          x.__name__ for x in Plugins.instance().discover(Plugin)
      ]
      assert "HiddenTestPlugin" not in discovered_plugins
  
      assert "NotHiddenTestPlugin" in discovered_plugins
  
imports: import os
  from pathlib import Path
  from hydra.core.plugins import Plugins
  from hydra.plugins.plugin import Plugin
label_desc: Use image node_id 2 for calling a global function with example usage: test_skipped_imports(tmpdir) without return types