Mock out time.time in timer tests instead of sleeping (these should avoid the problem of these tests failing if the build server is heavily loaded).
Mock out time.time in timer tests instead of sleeping (these should avoid the problem of these tests failing if the build server is heavily loaded).

harrissoerja/vumi,vishwaprakashmishra/xmatrix,TouK/vumi,harrissoerja/vumi,vishwaprakashmishra/xmatrix,TouK/vumi,harrissoerja/vumi,vishwaprakashmishra/xmatrix,TouK/vumi