@Test
	public void testInvalidArchive() throws Exception {
		final DataTypeManagerHandler managerHandler = plugin.getDataTypeManagerHandler();
		final String[] invalidNames = { "BADARCHIVENAME.gdt" };
		runSwing(() -> invokeInstanceMethod("openArchives", managerHandler,
			new Class[] { String[].class }, new Object[] { invalidNames }));

		GTreeNode rootNode = tree.getModelRoot();
		GTreeNode invalidChild = rootNode.getChild("BADARCHIVENAME");
		assertNull("Tree did not close invalid archive.", invalidChild);
	}
Tests for managing categories through the data manager plugin and tests for
actions being enabled when a node is selected.
Ghidra/Features/Base/src/test.slow/java/ghidra/app/plugin/core/datamgr/DataTypeManagerPluginTest.java