@Override
		public void verifySelection() {
			Object controller = getInstanceField("controller", provider);
			Object decompilerPanel = getInstanceField("decompilerPanel", controller);
			FieldPanel fieldPanel = (FieldPanel) getInstanceField("fieldPanel", decompilerPanel);
			FieldSelection selection = fieldPanel.getSelection();
			assertTrue("No selection in the decompile provider.", !selection.isEmpty());
		}
Note: This test is sensitive to focus. So, don't click any windows while this test is running.
Ghidra/Test/IntegrationTest/src/test.slow/java/ghidra/app/plugin/core/clipboard/ClipboardPluginTest.java