python - be: Rewrite tests as unit tests.

Log Message:
-----------
Rewrite tests as unit tests.

While still a bit primitive, these replace all the comparison tests. Currently,
a few false failures occur due to shortcomings in Proboscis(notably, composite
types), but it is complete enough to provide useful information.

Added Files:
-----------
be/test:
test_error.py (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/be/test/test_error.py?rev=1.1&content-type=text/x-cvsweb-markup)
test_io.py (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/be/test/test_io.py?rev=1.1&content-type=text/x-cvsweb-markup)
test_srf.py (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/be/test/test_srf.py?rev=1.1&content-type=text/x-cvsweb-markup)
test_trigger.py (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/be/test/test_trigger.py?rev=1.1&content-type=text/x-cvsweb-markup)

Removed Files:
-------------
be/test:
regress.py
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/be/test/regress.py)
be/test/expected/80:
fund
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/be/test/expected/80/fund)
generator
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/be/test/expected/80/generator)
srf
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/be/test/expected/80/srf)
trigger
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/be/test/expected/80/trigger)
be/test/expected/81:
fund
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/be/test/expected/81/fund)
generator
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/be/test/expected/81/generator)
srf
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/be/test/expected/81/srf)
trigger
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/be/test/expected/81/trigger)
be/test/sql/80:
fund
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/be/test/sql/80/fund)
generator
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/be/test/sql/80/generator)
srf
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/be/test/sql/80/srf)
trigger
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/be/test/sql/80/trigger)
be/test/sql/81:
fund
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/be/test/sql/81/fund)
generator
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/be/test/sql/81/generator)
srf
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/be/test/sql/81/srf)
trigger
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/python/be/test/sql/81/trigger)