[WIP] add test

[redHJ]

No description provided.

[codecov-io]

Codecov Report

Merging #965 into master will increase coverage by 2.27%.
The diff coverage is 36.36%.

@@            Coverage Diff             @@
##           master     #965      +/-   ##
==========================================
+ Coverage   56.15%   58.43%   +2.27%     
==========================================
  Files         134      156      +22     
  Lines       24550    29941    +5391     
==========================================
+ Hits        13787    17495    +3708     
- Misses       9044    10642    +1598     
- Partials     1719     1804      +85

Impacted Files	Coverage Δ
metric/system/system.go	58.97% <ø> (ø)
metric/system/mockPS.go	0% <ø> (ø)
reader/tailx/tailx.go	74.71% <16.66%> (+12.23%)	⬆️
metric/curl/http.go	12.09% <60%> (ø)
reader/dirx/dirx.go	69.71% <0%> (-1.06%)	⬇️
utils/models/models.go	22.22% <0%> (-1.04%)	⬇️
reader/kafka/kafka.go	4.62% <0%> (-0.29%)	⬇️
metric/system/kernel_vmstat_linux.go	2.5% <0%> (ø)
metric/telegraf/httpresponse/httpresponse.go	61.84% <0%> (ø)
metric/system/disk_linux.go	0% <0%> (ø)
... and 63 more

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