Raise epsilon used for model solver test
Raise epsilon used for model solver test

It was too much small leading to false failure triggering
caused simply by precision issues.

SoylentGraham/libmv,rgkoo/libmv-blender,petertsoi/libmv,petertsoi/libmv,rgkoo/libmv-blender,rgkoo/libmv-blender,rgkoo/libmv-blender,petertsoi/libmv,SoylentGraham/libmv,petertsoi/libmv,rgkoo/libmv-blender,SoylentGraham/libmv,SoylentGraham/libmv