COMP: Remove use of tmpnam
COMP: Remove use of tmpnam

Use of tmpname causes an error on CentOS, as it is
considered dangerous. Replace with a hardcoded file
path for each testcase.

Change-Id: I2d7d6b45e6fff2aace9a581db243d90b27fe2d86

OpenChemistry/avogadrolibs,cjh1/mongochemweb-avogadrolibs,wadejong/avogadrolibs,wadejong/avogadrolibs,OpenChemistry/avogadrolibs,ghutchis/avogadrolibs,OpenChemistry/avogadrolibs,ghutchis/avogadrolibs,ghutchis/avogadrolibs,wadejong/avogadrolibs,ghutchis/avogadrolibs,OpenChemistry/avogadrolibs,ghutchis/avogadrolibs,OpenChemistry/avogadrolibs,cjh1/mongochemweb-avogadrolibs,cjh1/mongochemweb-avogadrolibs,cjh1/mongochemweb-avogadrolibs,wadejong/avogadrolibs