fix(coverage): Prevent hard failure in case of empty file #30707
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What does this PR do?
Adapt the
merge_dev_in_main
method to prevent hard failure when the main file is emptyMotivation
We sometimes faces failures in coverage uploadm, because some files stored in the cache are empty (in my case it was
pkg/trace/stats/oteltest/coverage.out
.If such case can happen we might want to prevent such failure to occur
Describe how to test/QA your changes
No QA but we can monitor we don't have no more occurrence of some logs here
Possible Drawbacks / Trade-offs
Additional Notes