tubetestutil: clear list in a way that doesn't make it a local variable
tubetestutil: clear list in a way that doesn't make it a local variable

mlundblad/telepathy-gabble,Ziemin/telepathy-gabble,Ziemin/telepathy-gabble,Ziemin/telepathy-gabble,mlundblad/telepathy-gabble,Ziemin/telepathy-gabble,mlundblad/telepathy-gabble