improve testing of uniform mesh refinement
improve testing of uniform mesh refinement

BubuLK/sfepy,rc/sfepy,vlukes/sfepy,RexFuzzle/sfepy,rc/sfepy,RexFuzzle/sfepy,vlukes/sfepy,BubuLK/sfepy,sfepy/sfepy,lokik/sfepy,BubuLK/sfepy,lokik/sfepy,RexFuzzle/sfepy,lokik/sfepy,lokik/sfepy,rc/sfepy,sfepy/sfepy,RexFuzzle/sfepy,sfepy/sfepy,vlukes/sfepy