add test for detecting copies
add test for detecting copies

shiftkey/desktop,hjobrien/desktop,desktop/desktop,kactus-io/kactus,desktop/desktop,artivilla/desktop,hjobrien/desktop,BugTesterTest/desktops,desktop/desktop,kactus-io/kactus,kactus-io/kactus,j-f1/forked-desktop,artivilla/desktop,gengjiawen/desktop,say25/desktop,gengjiawen/desktop,shiftkey/desktop,shiftkey/desktop,BugTesterTest/desktops,hjobrien/desktop,gengjiawen/desktop,artivilla/desktop,j-f1/forked-desktop,BugTesterTest/desktops,BugTesterTest/desktops,say25/desktop,say25/desktop,kactus-io/kactus,j-f1/forked-desktop,j-f1/forked-desktop,artivilla/desktop,hjobrien/desktop,shiftkey/desktop,gengjiawen/desktop,desktop/desktop,say25/desktop