Comment 1 for bug 2059794

I moved the tests to "src/tests". I think this generally makes sense but avoids changes in the test runner.

https://github.com/lxml/lxml/commit/c4df3e2e9e82661d514a553a16ad841f91f38fc3

However, I can't see the tests ever having been part of the wheel. The list of packages is explicit.