Improved MMAP test, should be faster, and checks for error message.
Improved MMAP test, should be faster, and checks for error message.

smarr/OmniVM,smarr/OmniVM,smarr/OmniVM,smarr/OmniVM,smarr/OmniVM,smarr/OmniVM,smarr/OmniVM,smarr/OmniVM