tmate testing

[pshriwise]

Description

Fixes # (issue)

Checklist

• I have performed a self-review of my own code
• I have run clang-format (version 15) on any C++ source files (if applicable)
• I have followed the style guidelines for Python source files (if applicable)
• I have made corresponding changes to the documentation (if applicable)
• I have added tests that prove my fix is effective or that my feature works (if applicable)

[coveralls]

coverage: 84.755% (+0.03%) from 84.729%
when pulling 25bf1fd on tmate-test
into 57816e6 on develop.