libgtest-dev 1.8.0-10ubuntu1 (s390x binary) in ubuntu cosmic

 Google's framework for writing C++ tests on a variety of platforms. Based on
 the xUnit architecture. Supports automatic test discovery, a rich set of
 assertions, user-defined assertions, death tests, fatal and non-fatal failures,
 value- and type-parameterized tests, various options for running the tests, and
 XML test report generation.