The Compara API doesn't print :0 on the root node any more

Created by: muffato

Description

The Compara API has been fixed not to print distances for the root node of trees any more. This commit fixes the tests of this repo.

Use case

cf Description

Benefits

cf Description

Possible Drawbacks

If applicable, describe any possible undesirable consequence of the changes.

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Testing

Have you added/modified unit tests to test the changes?

Yes.

If so, do the tests pass/fail?

Pass, of course.

Have you run the entire test suite and no regression was detected?

Yes.

Changelog

No functionality change