test: Use simpler process for scheduler tests
test: Use simpler process for scheduler tests

The echoer process sometimes crashes when it is stopped too quickly,
which is probably because sdutil has not yet exec'd the socat process.

Signed-off-by: Lewis Marshall <748e1641a368164906d4a0c0e3965345453dcc93@lmars.net>

arekkas/flynn,whouses/flynn,lmars/flynn,technosophos/flynn,lmars/flynn,schatt/flynn,jzila/flynn,tonicbupt/flynn,GrimDerp/flynn,justintung/flynn,jzila/flynn,flynn/flynn,arekkas/flynn,rikur/flynn,ozum/flynn,josephglanville/flynn,felixrieseberg/flynn,TribeMedia/flynn,flynn/flynn,TribeMedia/flynn,schatt/flynn,mubassirhayat/flynn,schatt/flynn,justintung/flynn,josephglanville/flynn,GrimDerp/flynn,mubassirhayat/flynn,philiplb/flynn,kgrz/flynn,arekkas/flynn,whouses/flynn,supermario/flynn,philiplb/flynn,whouses/flynn,josephglanville/flynn,pkdevbox/flynn,clifff/flynn,GrimDerp/flynn,ozum/flynn,pkdevbox/flynn,GrimDerp/flynn,philiplb/flynn,GrimDerp/flynn,TribeMedia/flynn,philiplb/flynn,arekkas/flynn,rikur/flynn,justintung/flynn,pkdevbox/flynn,jzila/flynn,supermario/flynn,philiplb/flynn,clifff/flynn,Brandywine2161/flynn,rikur/flynn,tonicbupt/flynn,tonicbupt/flynn,shads196770/flynn,technosophos/flynn,Brandywine2161/flynn,Brandywine2161/flynn,mubassirhayat/flynn,justintung/flynn,technosophos/flynn,kgrz/flynn,ozum/flynn,supermario/flynn,benbjohnson/flynn,rikur/flynn,pkdevbox/flynn,benbjohnson/flynn,pkdevbox/flynn,whouses/flynn,benbjohnson/flynn,jzila/flynn,clifff/flynn,shads196770/flynn,lmars/flynn,mubassirhayat/flynn,tonicbupt/flynn,kgrz/flynn,TribeMedia/flynn,schatt/flynn,felixrieseberg/flynn,Brandywine2161/flynn,felixrieseberg/flynn,rikur/flynn,flynn/flynn,supermario/flynn,benbjohnson/flynn,technosophos/flynn,supermario/flynn,ozum/flynn,ozum/flynn,clifff/flynn,shads196770/flynn,felixrieseberg/flynn,lmars/flynn,schatt/flynn,jzila/flynn,TribeMedia/flynn,arekkas/flynn,kgrz/flynn,josephglanville/flynn,felixrieseberg/flynn,flynn/flynn,flynn/flynn,clifff/flynn,whouses/flynn,benbjohnson/flynn,kgrz/flynn,benbjohnson/flynn,schatt/flynn,kgrz/flynn,Brandywine2161/flynn,justintung/flynn,ozum/flynn,josephglanville/flynn,shads196770/flynn,pkdevbox/flynn,GrimDerp/flynn,TribeMedia/flynn,whouses/flynn,josephglanville/flynn,shads196770/flynn,clifff/flynn,shads196770/flynn,jzila/flynn,Brandywine2161/flynn,technosophos/flynn,lmars/flynn,justintung/flynn,rikur/flynn,tonicbupt/flynn,supermario/flynn