Add unit tests for pkg/util/secret #2104
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What this PR does
This PR introduces a unit test suite for the utility functions in
pkg/util/secret/parse.go
, which are responsible for extracting image pull credentials from Kubernetes Secrets.in support of issue #2074
Why is this change necessary?
This part of the codebase handles critical authentication logic but lacked unit tests. Adding tests ensures that the credential lookup, including its fallback behavior, is reliable and can be safely refactored in the future. This change increases test coverage and overall project stability.
How to test
All new tests pass successfully. This can be verified by running:
go test ./pkg/util/secret -v