@Test
	public void testSetSelectedValue_TextInField_MatchingWindowOpen() {

		typeText("d1", true);

		setSelectedValue("a2");
		assertMatchingWindowHidden();

		assertTextFieldText("a2");
		assertSelectedValue("a2");
	}
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