fix: use require.NoError instead of t.Fatal(err) in tests package (part 1)

[mmorel-35]

Description

This uses testify instead of testing for
With

require.NoError(t, err)

require.Error(t, err)

instead of

if err != nil {
    t.Fatal(err)
}


if err == nil {
    t.Fatal(err)
}

Related to #18972

[k8s-ci-robot]

Hi @mmorel-35. Thanks for your PR.

I'm waiting for a etcd-io member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[codecov-commenter]

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 68.77%. Comparing base (6d2b232) to head (c25c492).

❗ Current head c25c492 differs from pull request most recent head 4da20aa

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Additional details and impacted files

see 20 files with indirect coverage changes

@@            Coverage Diff             @@
##             main   #18753      +/-   ##
==========================================
+ Coverage   68.73%   68.77%   +0.03%     
==========================================
  Files         420      420              
  Lines       35510    35511       +1     
==========================================
+ Hits        24409    24421      +12     
+ Misses       9674     9664      -10     
+ Partials     1427     1426       -1     

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[ahrtr]

@mmorel-35 Thanks for you constant effort, but please try to make each each such PR as small as possible, i.e < 100 lines of code change, so that each one can be approved & merged soon.

[mmorel-35]

Good point ! I'll narrow the next PR to 100 lines of modifications

[mmorel-35]

/assign @serathius

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: mmorel-35, serathius

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[serathius]

Read through it, still +1 to what @ahrtr said. Don't optimize for number of lines changed, optimize for time it takes to review. That will help you land your work faster.

[serathius]

/retest

[k8s-ci-robot]

@mmorel-35: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-etcd-verify	1f1a46e	link	true	/test pull-etcd-verify

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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[serathius]

Please fix

robustness/model/deterministic_test.go:39:6: formatter: use require.NoErrorf (testifylint)
					require.NoError(t, err, "Failed to load state")

[mmorel-35]

Alright @serathius, I fixed the issue