Add regression tests for version resolution without releases

Covers a null releases list, an empty releases list, releases with none
marked as latest, and the full brand-new-module path resolving to the
first major, minor, and patch version. 21 of the 29 tests fail against
the previous parameter declarations.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Author: MariusStorhaug