@Test
	public void testExpandAll() throws Exception {

		GTreeNode rootNode = tree.getModelRoot();
		selectNode(rootNode);
		DockingActionIf expandAction = getAction(plugin, "Expand All");
		assertTrue(expandAction.isEnabledForContext(treeContext));
		DataTypeTestUtils.performAction(expandAction, tree);

		waitForTree();

		//verify all nodes are expanded
		checkNodesExpanded(rootNode);
	}
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