README: Relax the caveat about test quality in the header
README: Relax the caveat about test quality in the header

bjackman/lisa,mdigiorgio/lisa,ARM-software/lisa,credp/lisa,credp/lisa,ARM-software/lisa,credp/lisa,bjackman/lisa,credp/lisa,joelagnel/lisa,arnoldlu/lisa,joelagnel/lisa,ARM-software/lisa,mdigiorgio/lisa,ARM-software/lisa,arnoldlu/lisa