Protect test against dictionary randomisation
Protect test against dictionary randomisation

markelg/xray,pydata/xarray,shoyer/xarray,hetland/xray,clarkfitzg/xray,clarkfitzg/xray,chunweiyuan/xarray,jcmgray/xarray,cpaulik/xray,shoyer/xarray,drewokane/xray,markelg/xray,xray/xray,cpaulik/xray,rabernat/xray,pydata/xarray,jhamman/xarray,jhamman/xarray,markelg/xray,petercable/xray,jhamman/xray,pydata/xarray,rabernat/xray,kjordahl/xray,kjordahl/xray,NicWayand/xray,jhamman/xarray,hetland/xray,shoyer/xray