renabled the elevator unit-test
renabled the elevator unit-test

git-svn-id: 51f496e7cf1b55ee487494d18ee2d308bae7fe77@4488 f43f7eb3-cfe1-5f9d-1b5f-e45aa6702bda

steeve/libtorrent,steeve/libtorrent,steeve/libtorrent,steeve/libtorrent,steeve/libtorrent,steeve/libtorrent