shfmt mounts.bats to pass `make validate`
shfmt mounts.bats to pass `make validate`

Signed-off-by: Akihiro Suda <10ddef0dea2a66ab193b07198faa879adcb213d8@hco.ntt.co.jp>

opencontainers/runc,kolyshkin/runc,opencontainers/runc,estesp/runc,opencontainers/runc,opencontainers/runc,xiaochenshen/runc,kolyshkin/runc,kolyshkin/runc,dqminh/runc,rhatdan/runc,dqminh/runc,dqminh/runc,rhatdan/runc,rhatdan/runc,kolyshkin/runc,xiaochenshen/runc,dqminh/runc,rhatdan/runc,estesp/runc,estesp/runc,xiaochenshen/runc