Content-Security-Policy: Refactor report url into variable

Author: snuggs

middleware/policy.test

@@ -44,8 +44,10 @@ test (`Content-Security-Policy: report-to` , async t => {
       = (await fetch ('http://localhost:8181/'))
         .headers.get ('content-security-policy')
 
+  , url = 'https://ffb4d440b7878d6a1d371906dbe25fcd.report-uri.com/r/d/csp/enforce'
 
-  t.ok ( policy.includes`report-to https://ffb4d440b7878d6a1d371906dbe25fcd.report-uri.com/r/d/csp/enforce` )
+
+  t.ok ( policy.includes (`report-to ${url}`))
 
   server.close ``
   t.end ()