@Test
	public void testSetSelectedValue_TextInField_NoItemSelected() {

		typeText("zombie", false);

		String newValue = "zed";
		setSelectedValue(newValue);

		assertTextFieldText(newValue);
		assertSelectedValue(newValue);
	}
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