Fuzzed tests for two of untested hint conditions

tests/hint_dark.chk

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+
+Welcome to Adventure!!  Would you like instructions?
+
+> n
+
+You are standing at the end of a road before a small brick building.
+Around you is a forest.  A small stream flows out of the building and
+down a gully.
+
+> seed 1495951709
+Seed set to 1495951709
+
+You're in front of building.
+
+> in
+
+You are inside a building, a well house for a large spring.
+
+There are some keys on the ground here.
+
+There is a shiny brass lamp nearby.
+
+There is food here.
+
+There is a bottle of water here.
+
+> plugh
+
+>>Foof!<<
+
+It is now pitch dark.  If you proceed you will likely fall into a pit.
+
+> plove
+
+>>Foof!<<
+
+You're in a small chamber lit by an eerie green light.  An extremely
+narrow tunnel exits to the west.  A dark corridor leads ne.
+
+There is an emerald here the size of a plover's egg!
+
+> z
+
+OK
+
+> z
+
+OK
+
+> z
+
+OK
+
+> z
+
+OK
+
+> z
+
+OK
+
+> z
+
+OK
+
+> z
+
+OK
+
+> z
+
+OK
+
+> z
+
+OK
+
+> z
+
+OK
+
+> z
+
+OK
+
+> z
+
+OK
+
+> z
+
+OK
+
+> z
+
+OK
+
+> z
+
+OK
+
+> z
+
+OK
+
+> z
+
+OK
+
+> z
+
+OK
+
+> z
+
+OK
+
+> z
+
+OK
+
+> z
+
+OK
+
+> z
+
+OK
+
+> z
+
+OK
+
+> z
+
+OK
+
+Are you trying to explore beyond the plover room?
+
+> y
+
+I am prepared to give you a hint, but it will cost you 5 points.
+
+Do you want the hint?
+
+> y
+
+There is a way to explore that region without having to worry about
+falling into a pit.  None of the objects available is immediately
+useful in discovering the secret.
+
+
+You scored 54 out of a possible 430, using 27 turns.
+
+Your score qualifies you as a novice class adventurer.
+
+To achieve the next higher rating, you need 67 more points.