test: fix shell script tests (conntracks & route_rules)

Test seem to assume that zdtm lib directory is on PATH, but if it's not
- calling for parseargs.sh would fail (if cwd is static). Therefore,
this patch changes this to ../lib/parseargs.sh which should be fine both
for zdtm and vzt-cpt.

travis-ci: success for test: fix shell script tests (conntracks & route_rules)
Signed-off-by: Vitaly Ostrosablin <vostrosablin@virtuozzo.com>
Reviewed-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>

test/zdtm/static/conntracks

@@ -45,8 +45,7 @@ do_stop()
 	echo "PASS" > $outfile
 }
 
-
-tmpargs="$(parseargs.sh --name=$0 \
+tmpargs="$(../lib/parseargs.sh --name=$0 \
 		--flags-req=statefile,outfile \
 		--flags-opt="start,stop" -- "$@")" ||
 	die "can't parse command line"

test/zdtm/static/route_rules

@@ -60,8 +60,7 @@ do_stop()
 	echo "PASS" > $outfile
 }
 
-
-tmpargs="$(parseargs.sh --name=$0 \
+tmpargs="$(../lib/parseargs.sh --name=$0 \
 		--flags-req=statefile,outfile \
 		-- "$@")" ||
 	die "can't parse command line"