Draft: Resolve "(test): test coverage of some service headers is 50%"
Description
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Breaking change(s)
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Results
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How to test it?
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Data
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Decreased code coverage
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Related issue(s)
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If an issue must be closed by this merge request and at least other one, use Relates/Blocks #X.
In this latter case, the issue should be closed manually after all merges.
Closes #1266