Fixed pathquery result helper test.
Merge branch 'emma' of github.com:intermine/intermine into emma
Increasing test coverage... now at 98%Increasing test coverage... now at
98%Increasing test coverage... now at 98%Increasing test coverage... now
at 98%Increasing test coverage... now at 98%Increasing test coverage...
now at 98%Increasing test coverage... now at 98%Increasing test
coverage... now at 98%Increasing test coverage... now at 98%