add tests that delete first and third, as well as second and last element
add tests that delete first and third, as well as second and last element

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