* functionality for capturing file output (including `stdout`) from code
* that uses gmx::FileOutputRedirectorInterface, and checking that output
* against reference data.
+ * - gmx::test::InteractiveTestHelper (in interactivetest.h) provides
+ * a helper class for testing an interactive session that uses
+ * gmx::TextInputStream and gmx::TextOutputStream for prompting input and
+ * printing status messages.
* - #GMX_TEST_OPTIONS macro provides facilities for adding custom command
* line options for the test binary.
* - testasserts.h provides several custom test assertions for better