downstream-cache-test: don't hard code the port to 8051
downstream-cache-test: don't hard code the port to 8051

pagespeed/ngx_pagespeed,digideskio/ngx_pagespeed,wanrui/ngx_pagespeed,pagespeed/ngx_pagespeed,0x0mar/ngx_pagespeed,digideskio/ngx_pagespeed,wanrui/ngx_pagespeed,0x0mar/ngx_pagespeed