Add static sleep to stablize volume driver before moving ahead with next iteration
Add static sleep to stablize volume driver before moving ahead with next iteration

Signed-off-by: Harsh Desai <25a9fc4361f0de99d66f569f23dc0154e7064e35@portworx.com>

piyush-nimbalkar/torpedo,piyush-nimbalkar/torpedo,piyush-nimbalkar/torpedo