protected Point2D getLocation(FGVertex vertex) {
		FGController controller = getFunctionGraphController();
		FGView view = controller.getView();
		VisualizationViewer<FGVertex, FGEdge> primaryGraphViewer = view.getPrimaryGraphViewer();
		VisualizationModel<FGVertex, FGEdge> model = primaryGraphViewer.getModel();
		Layout<FGVertex, FGEdge> graphLayout = model.getGraphLayout();
		return graphLayout.apply(vertex);
	}
Added this method for cache testing.  No blocks were needed, just needed another
function to have enough to test a function being removed from the cache.
Ghidra/Features/FunctionGraph/src/test.slow/java/ghidra/app/plugin/core/functiongraph/AbstractFunctionGraphTest.java