fix: Skip only when none of auth mechanism are available

[mrfyda]

Fixes #489

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
❌ -12.66% (target: -1.00%)	✅ 44.44%

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (85fb80b)	173	152	87.86%
Head commit (05d4f67)	758 (+585)	570 (+418)	75.20% (-12.66%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#490)	9	4	44.44%

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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