Fix tutorial test

[kaduartur]

- What I did
I fixed the tutorial test, the inputListCustomMock was edited.

- How to verify it

• Run make unit-test

- Description for the changelog
Fixed tutorial test.

[codecov-commenter]

Codecov Report

Merging #460 into master will increase coverage by 0.62%.
The diff coverage is 91.89%.

@@            Coverage Diff             @@
##           master     #460      +/-   ##
==========================================
+ Coverage   66.75%   67.37%   +0.62%     
==========================================
  Files          80       87       +7     
  Lines        2755     2875     +120     
==========================================
+ Hits         1839     1937      +98     
- Misses        735      748      +13     
- Partials      181      190       +9     

Impacted Files	Coverage Δ
pkg/metric/user_id_generator.go	63.63% <63.63%> (ø)
pkg/metric/http_sender.go	69.23% <69.23%> (ø)
pkg/cmd/init.go	77.98% <91.66%> (-10.53%)	⬇️
pkg/cmd/metrics.go	100.00% <100.00%> (ø)
pkg/metric/checker.go	100.00% <100.00%> (ø)
pkg/metric/data_collector.go	100.00% <100.00%> (ø)
pkg/metric/grpc_sender.go	100.00% <100.00%> (ø)
pkg/metric/metric.go	100.00% <100.00%> (ø)
pkg/version/version.go	88.46% <100.00%> (ø)
... and 7 more

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