@Test
	public void testEscapeKey_MatchingWindowOpen() {

		typeText("d", true);

		// hide the window without updating the contents of the text field
		escape();

		assertMatchingWindowHidden();
		assertNoEditingCancelledEvent();
	}
This test achieves partial coverage of {@link DropDownTextField}.  Further coverage is
provided by {@link DropDownSelectionTextFieldTest}, as that test enables item selection 
in the widget being tested.
Ghidra/Framework/Docking/src/test/java/docking/widgets/DropDownTextFieldTest.java