Bring tests in line with Ruby tests.
Bring tests in line with Ruby tests.

The Ruby spec for Bob includes a number of tests that clarify certain
points of Bob's behavior.  This commit brings them to the Clojure spec
for Bob.

canweriotnow/xclojure,querenker/xclojure,wobh/xclojure,querenker/xclojure,yurrriq/xclojure,exercism/xclojure,exercism/xclojure