Fix Benchmark tests, remove a broken one & add two new

[6543]

as title

[codecov-io]

Codecov Report

Merging #15250 (e19a0d5) into master (6341130) will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #15250      +/-   ##
==========================================
+ Coverage   43.83%   43.84%   +0.01%     
==========================================
  Files         677      677              
  Lines       81338    81338              
==========================================
+ Hits        35652    35662      +10     
+ Misses      39909    39901       -8     
+ Partials     5777     5775       -2     

Impacted Files	Coverage Δ
modules/charset/charset.go	68.53% <0.00%> (-4.50%)	⬇️
models/error.go	39.52% <0.00%> (+0.47%)	⬆️
services/pull/pull.go	43.30% <0.00%> (+0.48%)	⬆️
models/repo_list.go	78.43% <0.00%> (+0.78%)	⬆️
modules/queue/workerpool.go	60.00% <0.00%> (+1.22%)	⬆️
modules/queue/unique_queue_disk_channel.go	55.22% <0.00%> (+1.49%)	⬆️
modules/indexer/stats/db.go	56.00% <0.00%> (+8.00%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 6341130...e19a0d5. Read the comment docs.

[6543]

@zeripath in the first place just to test if gogit benchmark would behave different ... removed