fixed more misuse of the word fixtures. he means test cases.
fixed more misuse of the word fixtures. he means test cases.

opotowsky/cyclus.github.com,rwcarlsen/cyclus.github.com,gidden/cyclus.github.com,opotowsky/cyclus.github.com,rwcarlsen/cyclus.github.com,gidden/cyclus.github.com,rwcarlsen/cyclus.github.com,opotowsky/cyclus.github.com,gidden/cyclus.github.com