Add verification support

[dvalinrh]

Adding test verification support.

[dvalinrh]

Mapping results to regexp
Typical results
Test:Avg:Unit
2to3:346.77:ms
async_generators:486.40:ms
async_tree_none:555.63:ms

Regexp file contents
%_header
Test:Avg:Unit
%_multiples
:[1-9]\d*(.\d+)?|\d*.[1-9]\d*:ms|us|ns|s$

%_header: Indicates the next line is a header that we need to match.

%_multipes
Field1: Matches anything.
Field2: Success if the value is non-zero (regexp generated by Gemini)
Field3: Time unit, matches on ms, us, ns and s