Unit Test improvements.
Unit Test improvements.

Cover more code with new API refactoring

inteligencia-coletiva-lsd/pybossa,harihpr/tweetclickers,proyectos-analizo-info/pybossa-analizo-info,PyBossa/pybossa,jean/pybossa,Scifabric/pybossa,proyectos-analizo-info/pybossa-analizo-info,inteligencia-coletiva-lsd/pybossa,OpenNewsLabs/pybossa,CulturePlex/pybossa,harihpr/tweetclickers,geotagx/pybossa,PyBossa/pybossa,Scifabric/pybossa,proyectos-analizo-info/pybossa-analizo-info,geotagx/pybossa,stefanhahmann/pybossa,stefanhahmann/pybossa,jean/pybossa,OpenNewsLabs/pybossa,CulturePlex/pybossa,CulturePlex/pybossa