LU-12925 test: assign right initial value for test_61

LU-12925 test: assign right initial value for test_61

This patch snip from commit:591a9b4cebc510ff5. The test_62
would be failed since test_61 leave a failover state in some
case.

Signed-off-by: Patrick Farrell <pfarrell@whamcloud.com>
Signed-off-by: Yang Sheng <ys@whamcloud.com>
Change-Id: If46a6d435bcaafb9000abb032ac561c5453776ee
Reviewed-on: https://review.whamcloud.com/36660
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Jian Yu <yujian@whamcloud.com>
Reviewed-by: Wang Shilong <wshilong@ddn.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>