code: def test_close():
      name = "Test close dock"
      dock = da.Dock(name=name, hideTitle=True)
      with pytest.warns(Warning):
          dock.close()
  
imports: import pytest
  import pyqtgraph
  import pyqtgraph.dockarea
label_desc: Use image node_id 4 for calling a global function with example usage: test_close() without return types