move exec tests into separate test class
move exec tests into separate test class

kachick/topaz,topazproject/topaz,kachick/topaz,babelsberg/babelsberg-r,topazproject/topaz,babelsberg/babelsberg-r,topazproject/topaz,babelsberg/babelsberg-r,topazproject/topaz,kachick/topaz,babelsberg/babelsberg-r,babelsberg/babelsberg-r