add tests for selection helpers
add tests for selection helpers

KentZheng/gitFlowTIB,jziggas/quill,jcppman/quill,JoshBarr/quill,smartsocialmedia/quill,KentZheng/testingflow,sferoze/quilljs,mobitroll/kahoot-quill,quilljs/quill,eXcomm/quill,KentZheng/gitFlowTIB,Asana/quill-1,jayzawrotny/quill,psiemens/quill,dahal/quill,willrowe/quill,gutenye/quill,syungkeaw/quill,willrowe/quill,fraywing/quill,sferoze/quilljs,mobitroll/kahoot-quill,praneybehl/quill,DemocracyOS/quill,psiemens/quill,casetext/quill,sferoze/quilljs,smartsocialmedia/quill,Asana/quill-1,quilljs/quill,voxmedia/quill,milqfm/quill,milqfm/quill,studio666/quill,KentZheng/testingflow,tim-mc/quill,hampsterx/quill,KentZheng/gitFlowTIA,kmoe/quill,sferoze/quilljs,willrowe/quill,DemocracyOS/quill,tim-mc/quill,anovi/quill,Benibur/quill,kmoe/quill,fraywing/quill,KentZheng/gitFlowTIA,quilljs/quill,voxmedia/quill,voxmedia/quill,casetext/quill