Updated crashdump testcase

Now it checks number of CDs instead of checking date.
Date is still being checked and will be reported as a warning if
it is not matching.
Merge pull request #87 from bpwook/crashdump

Updated crashdump testcase

Reviewed by: Rob Dobson (rob.dobson@citrix.com)
Signed off by: Jun Wook Kwak (junwook.kwak@citrix.com)