Another minor fix to the tests, to remove failures due to slight numerical differences between 3delight versions.
Another minor fix to the tests, to remove failures due to slight numerical differences between 3delight versions.


danieldresser/cortex,danieldresser/cortex,danieldresser/cortex,goddardl/cortex,appleseedhq/cortex,lento/cortex,danieldresser/cortex,goddardl/cortex,davidsminor/cortex,davidsminor/cortex,goddardl/cortex,davidsminor/cortex,lento/cortex,lento/cortex,davidsminor/cortex,appleseedhq/cortex,hradec/cortex,hradec/cortex,appleseedhq/cortex,hradec/cortex