Force failure if there is any unit test failed

[jcortejoso]

Description

Force to fail the CI job if there is any failed unit test

[github-actions]

Coverage from tests in ./e2e_test/... for ./consensus/istanbul/... at commit 6a7c41f

coverage: 50.6% of statements across all listed packages

coverage:  63.2% of statements in consensus/istanbul
coverage:  42.7% of statements in consensus/istanbul/announce
coverage:  55.7% of statements in consensus/istanbul/backend
coverage:   0.0% of statements in consensus/istanbul/backend/backendtest
coverage:  24.3% of statements in consensus/istanbul/backend/internal/replica
coverage:  64.7% of statements in consensus/istanbul/core
coverage:  50.0% of statements in consensus/istanbul/db
coverage:   0.0% of statements in consensus/istanbul/proxy
coverage:  64.4% of statements in consensus/istanbul/uptime
coverage:  51.8% of statements in consensus/istanbul/validator
coverage:  79.2% of statements in consensus/istanbul/validator/random

[github-actions]

[codecov]

Codecov Report

Patch coverage: 69.50% and project coverage change: +1.03 🎉

Comparison is base (71bdbcf) 54.30% compared to head (08f08a8) 55.33%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2113      +/-   ##
==========================================
+ Coverage   54.30%   55.33%   +1.03%     
==========================================
  Files         692      674      -18     
  Lines      115642   113414    -2228     
==========================================
- Hits        62795    62762      -33     
+ Misses      49014    46843    -2171     
+ Partials     3833     3809      -24     

Impacted Files	Coverage Δ
cmd/devp2p/internal/ethtest/transaction.go	0.00% <0.00%> (ø)
cmd/geth/chaincmd.go	0.00% <0.00%> (ø)
cmd/geth/main.go	21.39% <ø> (+0.91%)	⬆️
cmd/geth/usage.go	10.90% <ø> (ø)
cmd/utils/flags.go	2.56% <0.00%> (ø)
consensus/istanbul/utils.go	47.10% <ø> (+1.13%)	⬆️
contracts/currency/currency.go	55.00% <ø> (ø)
contracts/election/election.go	25.00% <ø> (ø)
contracts/epoch_rewards/epoch_rewards.go	88.88% <ø> (ø)
contracts/freezer/freezer.go	70.00% <ø> (ø)
... and 42 more

... and 32 files with indirect coverage changes

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[gastonponti]

LGTM!