backport: Fix missing error class and test for out_forward#942

Closed

okkez wants to merge 4 commits intofluent:v0.12from okkez:backport-922

+41-26

Commits on May 9, 2016

fix test drivers to work well for blocks with d.emit, and ObjectBufferedOutput

tagomoris
authored and
okkez
committed
add error class definition which is used but not defined yet

tagomoris
authored and
okkez
committed
fix test with added (missing) error definition

tagomoris
authored and
okkez
committed

Commits on May 10, 2016

Do not use @time_as_integer
okkez
committed