Fix TestLoop, set the clock resolution
Fix TestLoop, set the clock resolution

gsb-eng/asyncio,1st1/asyncio,Martiusweb/asyncio,fallen/asyncio,ajdavis/asyncio,manipopopo/asyncio,Martiusweb/asyncio,gvanrossum/asyncio,gsb-eng/asyncio,1st1/asyncio,jashandeep-sohi/asyncio,vxgmichel/asyncio,jashandeep-sohi/asyncio,fallen/asyncio,vxgmichel/asyncio,jashandeep-sohi/asyncio,gvanrossum/asyncio,gvanrossum/asyncio,manipopopo/asyncio,haypo/trollius,1st1/asyncio,haypo/trollius,manipopopo/asyncio,gsb-eng/asyncio,ajdavis/asyncio,vxgmichel/asyncio,haypo/trollius,fallen/asyncio,ajdavis/asyncio,Martiusweb/asyncio