[test suite] added elapsed time display
[test suite] use find_command() for valgrind path
[test suite] minor valgrind coverage dir import status message
[test suite] minor spacing fix for hmac_access.conf file
[test suite] minor category renaming
[test suite] started adding HMAC equivalent tests for all existing tests
Merge branch 'hmac_header_fixes' into hmac_support
Merge branch 'hmac_header_fixes' into hmac_support