test: Move service.sh to test/common/

Signed-off-by: Magnus Malm <magnusmalm@gmail.com>

test/test_start_stop_service/service.sh

@@ -1,7 +0,0 @@
-#!/bin/sh
-
-set -eu
-
-while true; do
-  sleep 5
-done

test/test_start_stop_service/test.sh

@@ -21,7 +21,7 @@ test_teardown() {
 # Test
 say "Test start $(date)"
 say 'Set up a service'
-cp "$TEST_DIR"/test_start_stop_service/service.sh "$TEST_DIR"/test_root/test_assets/
+cp "$TEST_DIR"/common/service.sh "$TEST_DIR"/test_root/test_assets/
 texec sh -c "echo 'service [2345] kill:20 log /test_assets/service.sh' > $FINIT_CONF"
 
 say 'Reload Finit'