avoid usage of non deterministic input in unit tests
avoid usage of non deterministic input in unit tests

gem/oq-engine,gem/oq-engine,raoanirudh/oq-risklib,g-weatherill/oq-risklib,gem/oq-engine,vup1120/oq-risklib,g-weatherill/oq-risklib,g-weatherill/oq-risklib,vup1120/oq-risklib,raoanirudh/oq-risklib,gem/oq-engine,gem/oq-engine