Modify normal orientation test
Modify normal orientation test

Because normal orientation is now enforced before and not after spatial filter
computation, the results aren't precisely smaller then for free orientation.

effigies/mne-python,aestrivex/mne-python,drammock/mne-python,Eric89GXL/mne-python,olafhauk/mne-python,pravsripad/mne-python,Teekuningas/mne-python,andyh616/mne-python,drammock/mne-python,olafhauk/mne-python,alexandrebarachant/mne-python,agramfort/mne-python,bloyl/mne-python,teonlamont/mne-python,drammock/mne-python,jaeilepp/mne-python,Eric89GXL/mne-python,trachelr/mne-python,jaeilepp/mne-python,antiface/mne-python,cmoutard/mne-python,rkmaddox/mne-python,teonlamont/mne-python,wmvanvliet/mne-python,antiface/mne-python,olafhauk/mne-python,mne-tools/mne-python,wmvanvliet/mne-python,effigies/mne-python,kingjr/mne-python,jmontoyam/mne-python,Teekuningas/mne-python,kambysese/mne-python,dimkal/mne-python,ARudiuk/mne-python,trachelr/mne-python,lorenzo-desantis/mne-python,rkmaddox/mne-python,wronk/mne-python,nicproulx/mne-python,larsoner/mne-python,cjayb/mne-python,nicproulx/mne-python,matthew-tucker/mne-python,Teekuningas/mne-python,alexandrebarachant/mne-python,lorenzo-desantis/mne-python,pravsripad/mne-python,leggitta/mne-python,wmvanvliet/mne-python,pravsripad/mne-python,andyh616/mne-python,kambysese/mne-python,kingjr/mne-python,bloyl/mne-python,wronk/mne-python,kingjr/mne-python,dimkal/mne-python,ARudiuk/mne-python,mne-tools/mne-python,jmontoyam/mne-python,yousrabk/mne-python,jniediek/mne-python,larsoner/mne-python,mne-tools/mne-python,Odingod/mne-python,agramfort/mne-python,yousrabk/mne-python,jniediek/mne-python,dgwakeman/mne-python,aestrivex/mne-python,matthew-tucker/mne-python,adykstra/mne-python,larsoner/mne-python,cjayb/mne-python,adykstra/mne-python,cmoutard/mne-python,dgwakeman/mne-python,leggitta/mne-python,Odingod/mne-python