LU-11058 test: reenable sanity 77k test

LU-11058 test: reenable sanity 77k test

Reenable sanity 77k test because test_77k was fixed via patch
https://review.whamcloud.com/33190 commit bda43cbe36

Test-Parameters:trivial testlist=sanity envdefinitions=ONLY=77k

Change-Id: I01b8c2f2b81bcb4a0de71fa73e71fa32e7f9dc61
Signed-off-by: James Simmons <uja.ornl@yahoo.com>
Reviewed-on: https://review.whamcloud.com/33099
Tested-by: Jenkins
Reviewed-by: James Nunez <jnunez@whamcloud.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Emoly Liu <emoly@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>