new test helper

test/test_helper.bash

@@ -34,6 +34,10 @@ is_service_running() {
   is_service_running_by_cid $CONTAINER_ID $1
 }
 
+is_file_exists() {
+  is_file_exists_by_cid $CONTAINER_ID $1
+}
+
 wait_service() {
   wait_service_by_cid $CONTAINER_ID $@
 }
@@ -78,12 +82,18 @@ is_service_running_by_cid() {
   docker exec $1 ps cax | grep $2  > /dev/null
 }
 
+is_file_exists_by_cid() {
+  docker exec $1 cat "/etc/my_init_startup_files_completed" > /dev/null 2>&1
+}
+
 wait_service_by_cid() {
 
   cid=$1
 
+  sleep 1
+
   # first wait image init end
-  while ! is_service_running_by_cid $cid syslog-ng
+  while ! is_file_exists_by_cid $cid /etc/my_init_startup_files_completed
   do
     sleep 1
   done