At the moment the 'make test' cannot be run non-interactively yet on Linux host and Mac OS X host systems due to what-could-be a bug in 'emrun' script. The issue with 'emrun' has been reported to upstream (https://github.com/kripken/emscripten/issues/3234).
When setting the number of rows, ensure Console sets the text style if available, so that the row container appears immediately with the correct height.