fix: Skip only when none of auth mechanism are available

[mrfyda]

Fixes #489

[codacy-production[bot]]

Coverage summary from Codacy

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Coverage variation	Diff coverage
:x: -12.66% (target: -1.00%)	:white_check_mark: 44.44%

Coverage variation details

| | Coverable lines | Covered lines | Coverage | | ------------- | ------------- | ------------- | ------------- | | Common ancestor commit (85fb80b6ae21a9b4b89f1e0c3711dc3c92e3087c) | 173 | 152 | 87.86% | | | Head commit (05d4f6724d0d9b686c8c0d1b017a43b8443becdc) | 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: ` - `

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: `/ * 100%`

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