test: update test to use kill(1) replacement slay.sh

The slay script checks for common errors and gives some logs and status
of Finit when something goes wrong.  Helps detect issue #226 when the
start-kill-service.sh test runs at 100000 laps.

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

test/start-kill-service.sh

@@ -19,7 +19,9 @@ test_teardown() {
 
 say "Test start $(date)"
 
+cp "$TEST_DIR"/common/slay.sh    "$TENV_ROOT"/test_assets/
 cp "$TEST_DIR"/common/service.sh "$TENV_ROOT"/test_assets/
+rm "$TENV_ROOT"/oldpid
 
 say "Add service stanza in $FINIT_CONF"
 texec sh -c "echo 'service [2345] respawn log /test_assets/service.sh -- Test service' > $FINIT_CONF"
@@ -37,10 +39,7 @@ laps=1000
 while [ $i -lt $laps ]; do
     i=$((i + 1))
     say "Lap $i/$laps, killing service ..." # we have this, no sleep needed
-    #    texec sh -c "echo \"PID is \$(initctl status service.sh |awk '/PID : /{ print \$3; }')\"; echo \"PID file says \$(cat /run/service.pid)\"; kill -9 \$(cat /run/service.pid)"
-    #texec sh -c "initctl status service.sh"
-    #texec sh -c "initctl signal service.sh KILL"
-    texec sh -c "kill -9 \$(cat /run/service.pid)"
+    texec sh -c "/test_assets/slay.sh service.sh"
 done
 
 retry 'assert_new_pid service.sh /run/service.pid'