protected boolean pointsAreSimilar(Point2D originalPoint, Point2D reloadedPoint) {
		double xDiff = Math.abs(originalPoint.getX() - reloadedPoint.getX());
		if (xDiff > 20) {
			return false;
		}

		double yDiff = Math.abs(originalPoint.getY() - reloadedPoint.getY());
		if (yDiff > 20) {
			return false;
		}

		return true;
	}
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