We started using the Google Test Framework for C++ unit testing today, and it's great. We added a Team City Command Line Build Step for this, and it's working great. Nevertheless, it would be even better if Team City could process Google Test's XML Report, as it does with FxCop and others.
Here's the report format explained:
As it says there, the format is based on the junitreport Ant task, so it should be easy to do this (I think).