* Treat relative paths as relative to parent project's remote
* replace unit test case with integration test
* run relative URL test only on supported CMake versions (3.27)
* omit cmake 2.25.x test runner as replaced by 2.27.x
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Co-authored-by: Chris Wright <chris.wright@mqa.co.uk>
Co-authored-by: Lars Melchior <lars.melchior@gmail.com>
