Changed tests to use fixtures, fixed bug w/ gene resource

Signed-off-by: Sheik Hassan <solergiga@yahoo.com>
Merge pull request #275 from hassanNS/other_tests

Changed tests to use fixtures, fixed bug w/ gene resource
Revert "Merge pull request #275 from hassanNS/other_tests"

This reverts commit b68c507f9b928ce6e548bec74dbcd3476de133d0, reversing
changes made to ea35bab08bc2666d25aa09e5b17cb99627d03537.
Merge pull request #337 from cbmi/revert_pull_request_275

Revert "Merge pull request #275 from hassanNS/other_tests"
add VCF exporter

Signed-off-by: Adam Wenocur <wenocur@email.chop.edu>