smp/general invs test updated: using small beta corresponding to eps
smp/general invs test updated: using small beta corresponding to eps

PaddySchmidt/gosl,cpmech/gosl,PaddySchmidt/gosl,PaddySchmidt/gosl,PaddySchmidt/gosl,cpmech/gosl,cpmech/gosl,cpmech/gosl,cpmech/gosl,PaddySchmidt/gosl,PaddySchmidt/gosl