Fixups for crio_secrets.bats
Fixups for crio_secrets.bats

Remove the directory named by "$MOUNT_PATH", not "MOUNT_PATH".
Run "cat /proc/mounts" instead of "mount" in the test container.
Run "grep" using the "run" helper when we want to capture its output.

Signed-off-by: Nalin Dahyabhai <f562fcb2a0b898bf0be1afc867ea92325d8f825f@redhat.com>

rhatdan/cri-o,14rcole/cri-o,umohnani8/cri-o,mikebrow/cri-o,umohnani8/cri-o,14rcole/cri-o,nalind/cri-o,vbatts/cri-o,jwhonce/ocid,kubernetes-incubator/ocid,umohnani8/cri-o,vbatts/cri-o,vbatts/cri-o,mheon/cri-o,mikebrow/cri-o,kubernetes-incubator/cri-o,jwhonce/ocid,kubernetes-incubator/cri-o,14rcole/cri-o,nalind/cri-o,umohnani8/cri-o,jwhonce/ocid,rhatdan/cri-o,rhatdan/cri-o,nalind/cri-o,kubernetes-incubator/cri-o,14rcole/cri-o,kubernetes-incubator/cri-o,kubernetes-incubator/ocid,vbatts/cri-o,kubernetes-incubator/ocid,mikebrow/cri-o,mheon/cri-o,mheon/cri-o,mikebrow/cri-o,rhatdan/cri-o,mheon/cri-o