test: keep lineno in conf because it's used in some tests
test: keep lineno in conf because it's used in some tests

amending f26cc528ad1a3d9a951e24fed06eec555814b572

cwyang/h2o,h2o/h2o,yannick/h2o,yannick/h2o,h2o/h2o,devnexen/h2o,devnexen/h2o,devnexen/h2o,yannick/h2o,yannick/h2o,h2o/h2o,devnexen/h2o,h2o/h2o,yannick/h2o,cwyang/h2o,cwyang/h2o,yannick/h2o,h2o/h2o,h2o/h2o,devnexen/h2o,h2o/h2o,devnexen/h2o,cwyang/h2o,devnexen/h2o,h2o/h2o,devnexen/h2o,devnexen/h2o,cwyang/h2o,yannick/h2o,cwyang/h2o,h2o/h2o,yannick/h2o,cwyang/h2o,cwyang/h2o,yannick/h2o