Added unit tests to test methods that compute entry point reachability, exit point reachability, and shallow risk.
Added unit tests to test methods that compute entry point reachability, exit point reachability, and shallow risk.

andymeneely/attack-surface-metrics,andymeneely/attack-surface-metrics,andymeneely/attack-surface-metrics,andymeneely/attack-surface-metrics,andymeneely/attack-surface-metrics