code: def test_hide_title_dock():
      name = "Test hide title dock"
      dock = da.Dock(name=name, hideTitle=True)
  
      assert dock.labelHidden == True
  
imports: import pytest
  import pyqtgraph
  import pyqtgraph.dockarea
label_desc: Use image node_id 3 for calling a global function with example usage: test_hide_title_dock() without return types