private TreePath getLastVisiblePath() {
		Rectangle r = gTree.getViewRect();

		JTree jTree = gTree.getJTree();
		int start = jTree.getClosestRowForLocation(r.x, r.y + r.height);
		TreePath path = gTree.getPathForRow(start);
		return path;
	}
Verifies the actual is within one of the expected
Ghidra/Framework/Docking/src/test.slow/java/docking/widgets/tree/GTreeTest.java