private GTreeNode createNewNamespace() throws Exception {
		util.selectNode(namespacesNode);
		util.waitForTree();
		performAction(createNamespaceAction, util.getSymbolTreeContext(), false);

		util.waitForTree();
		GTreeNode nsnode = rootNode.getChild("Namespaces");// get again, as its been modified

		waitForEditing();
		stopEditing();

		GTreeNode newNode = nsnode.getChild("NewNamespace");
		assertNotNull("New node not created", newNode);
		return newNode;
	}
Tests for the symbol tree plugin.
Ghidra/Features/Base/src/test.slow/java/ghidra/app/plugin/core/symboltree/SymbolTreePlugin1Test.java