Extend bigfail test.

tests/bigfail.chk

@@ -2245,8 +2245,83 @@ The stream is gurgling placidly.
 
 You're at brink of small pit.
 
+> w
 
-You scored 217 out of a possible 430, using 377 turns.
+You're in dirty passage.
+
+> bedquilt
+
+You're in Bedquilt.
+
+> n
+
+You have crawled around in some little holes and wound up back in the
+main passage.
+
+You're in Bedquilt.
+
+> n
+
+You have crawled around in some little holes and wound up back in the
+main passage.
+
+You're in Bedquilt.
+
+> n
+
+You have crawled around in some little holes and wound up back in the
+main passage.
+
+You're in Bedquilt.
+
+> n
+
+You are in a secret canyon at a junction of three canyons, bearing
+north, south, and se.  The north one is as tall as the other two
+combined.
+
+> n
+
+You're at a low window overlooking a huge pit, which extends up out of
+sight.  A floor is indistinctly visible over 50 feet below.  Traces of
+white mist cover the floor of the pit, becoming thicker to the left.
+Marks in the dust around the window would seem to indicate that
+someone has been here recently.  Directly across the pit from you and
+25 feet away there is a similar window looking into a lighted room.  A
+shadowy figure can be seen there peering back at you.
+
+The shadowy figure seems to be trying to attract your attention.
+
+> w
+
+You're at junction of three secret canyons.
+
+> n
+
+You're at window on pit.
+
+The shadowy figure seems to be trying to attract your attention.
+
+> w
+
+You're at junction of three secret canyons.
+
+> s
+
+You are in a secret n/s canyon above a sizable passage.
+
+> s
+
+A large stalactite extends from the roof and almost reaches the floor
+below.  You could climb down it, and jump from it to the floor, but
+having done so you would be unable to reach it to climb back up.
+
+> d
+
+You are in a maze of twisty little passages, all alike.
+
+
+You scored 217 out of a possible 430, using 390 turns.
 
 You may now consider yourself a "Seasoned Adventurer".
 

tests/bigfail.log

@@ -397,3 +397,20 @@ e
 d
 listen
 u
+w
+# Coverage of LOC_THREEJUNCTION, LOC_WINDOW2, LOC_SECRET2,
+# LOC_TOPSTALACTITE. Only accessible via stalactite from big maze or
+# by random exit from Bedquilt.
+bedquilt
+n
+n
+n
+n
+n
+w
+n
+w
+s
+s
+d
+# In Maze All Alike.