Add Golang Runtime Metrics e2e test

[easonyipj]

• [ ] If this pull request closes/resolves/fixes an existing issue, replace the issue number. Closes #.
• [ ] Update the CHANGES log.

Add golang runtime metrics e2e test

[codecov-commenter]

Codecov Report

Merging #172 (cf30e2b) into master (cbdde90) will decrease coverage by 0.03%. The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #172      +/-   ##
==========================================
- Coverage   61.88%   61.85%   -0.04%     
==========================================
  Files          23       23              
  Lines        1220     1219       -1     
==========================================
- Hits          755      754       -1     
  Misses        405      405              
  Partials       60       60              

Impacted Files	Coverage Δ
reporter/grpc.go	51.20% <ø> (-0.17%)	:arrow_down:

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