Add option to set exact backup times

Change-Id: Ic43b0f4c77c5d25551ea32e0cac3d9958beb2b8d
diff --git a/tests/pillar/server_backup_times.sls b/tests/pillar/server_backup_times.sls
new file mode 100644
index 0000000..44a141b
--- /dev/null
+++ b/tests/pillar/server_backup_times.sls
@@ -0,0 +1,16 @@
+xtrabackup:
+  server:
+    enabled: true
+    full_backups_to_keep: 3
+    incr_before_full: 3
+    backup_dir: /srv/backup
+    backup_times:
+      dayOfWeek: 0
+#     month: *
+#     dayOfMonth: *
+      hour: 4
+      minute: 52
+    key:
+      xtrabackup_pub_key:
+        enabled: true
+        key: key
\ No newline at end of file