Fix BackwardChainerUTest::test_criminal_trace accordingly
Fix BackwardChainerUTest::test_criminal_trace accordingly

misgeatgit/atomspace,misgeatgit/atomspace,ArvinPan/atomspace,rTreutlein/atomspace,rTreutlein/atomspace,misgeatgit/atomspace,rTreutlein/atomspace,misgeatgit/atomspace,AmeBel/atomspace,AmeBel/atomspace,rTreutlein/atomspace,AmeBel/atomspace,inflector/atomspace,inflector/atomspace,AmeBel/atomspace,ArvinPan/atomspace,inflector/atomspace,rTreutlein/atomspace,inflector/atomspace,misgeatgit/atomspace,ArvinPan/atomspace,AmeBel/atomspace,ArvinPan/atomspace,inflector/atomspace