Add data to test pipeline execution.

Here is the data part of my PR in timestreamlib https://github.com/borevitzlab/timestreamlib/pull/150.

Rant: Have I mentioned how backwards this work-flow is? I don't understand having to do two PRs for the same logic. Having to go out of my way to clone the other repo just to do the PR. And then having to explain something in the commit message that has nothing to do with this repository.... Sorry, I have to get it out of my system.