test: fix path to Finit rcs.d in distcheck

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

test/cond-start-task.sh

@@ -5,9 +5,14 @@
 # asserting a condition.
 set -eu
 
-TEST_CONF=/etc/finit.conf
 TEST_DIR=$(dirname "$0")
 
+# shellcheck source=/dev/null
+. "$TEST_DIR/tenv/lib.sh"
+
+TEST_CONF=$FINIT_RCSD/cond.conf
+
+
 test_setup()
 {
 	say "Test start $(date)"
@@ -83,7 +88,4 @@ test_one()
 	texec sh -c "initctl reload"
 }
 
-# shellcheck source=/dev/null
-. "$TEST_DIR/tenv/lib.sh"
-
 test_one "hello" "task <usr/hello> task.sh -- Hello task"