test: add a new normalize_rpm_refs
helper
#200
Merged
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This commit adds a new
normalize_rpm_refs()
helper that will normalize the rpm file inputs for comparison, i.e. it will sort the hashes and remove duplicates. This is important because the "images" library writes duplicated input rpm packages from the inputs as duplicated hashes into the references.But in our test we only need to worry about that exactly the right rpm files got included, the order is not important.
[split out from https://github.com//pull/196]