Add unit tests for snapshot branch target resolvers

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Migrated from D7994 (view on Phabricator)

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commit 1bff0aa8725fadcc9249d7897bb0a3613e990853
Author: Jayesh Velayudhan <jayesh@softwareheritage.org>
Date:   Tue Jun 14 16:12:04 2022 +0200

    Add unit tests for snapshot branch target resolvers

See https://jenkins.softwareheritage.org/job/DGQL/job/tests-on-diff/66/ for more details.

"if you say so" ;)

Merge request was accepted

approved this merge request

! In !26 (closed), @ardumont wrote: "if you say so" ;)

Thanks :)

Merge request was merged

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