public GTreeNode waitForTreeNode(String name) {
		return name.startsWith(FileSystem.SEPARATOR) ? getDataTreeNodeByPath(name)
				: getChild(rootNode, name);
	}
This class provides some convenience methods for interacting with a {@link DataTree}.
Ghidra/Test/IntegrationTest/src/test.slow/java/ghidra/test/DataTreeHelper.java