Bug 1257601 - Make subtest names stable for a fetch api test, r=Ms2ger

MozReview-Commit-ID: Gf66UU9gaqL

--HG--
extra : rebase_source : 0d2060c356987e3162cc9a7a61c08924b8cac1a6

testing/web-platform/tests/fetch/api/basic/scheme-blob.js

@@ -4,9 +4,6 @@ if (this.document === undefined) {
 }
 
 function checkFetchResponse(url, data, mime, size, desc) {
-  if (!desc)
-    var cut = (url.length >= 45) ? "[...]" : "";
-    desc = "Fetching " + url.substring(0, 45) + cut + " is OK"
   promise_test(function(test) {
     size = size.toString();
     return fetch(url).then(function(resp) {
@@ -17,17 +14,15 @@ function checkFetchResponse(url, data, mime, size, desc) {
       return resp.text();
     }).then(function(bodyAsText) {
       assert_equals(bodyAsText, data, "Response's body is " + data);
-    })
+    });
   }, desc);
 }
 
 var blob = new Blob(["Blob's data"], { "type" : "text/plain" });
-checkFetchResponse(URL.createObjectURL(blob), "Blob's data", "text/plain",  blob.size);
+checkFetchResponse(URL.createObjectURL(blob), "Blob's data", "text/plain",  blob.size,
+                  "Fetching [GET] URL.createObjectURL(blob) is OK");
 
 function checkKoUrl(url, method, desc) {
-  if (!desc)
-    var cut = (url.length >= 45) ? "[...]" : "";
-    desc = "Fetching [" + method + "] " + url.substring(0, 45) + cut +  " is KO"
   promise_test(function(test) {
     var promise = fetch(url, {"method": method});
     return promise_rejects(test, new TypeError(), promise);
@@ -35,7 +30,9 @@ function checkKoUrl(url, method, desc) {
 }
 
 var blob2 = new Blob(["Blob's data"], { "type" : "text/plain" });
-checkKoUrl("blob:http://{{domains[www]}}:{{ports[http][0]}}/", "GET");
-checkKoUrl(URL.createObjectURL(blob2), "POST");
+checkKoUrl("blob:http://{{domains[www]}}:{{ports[http][0]}}/", "GET",
+          "Fetching [GET] blob:http://{{domains[www]}}:{{ports[http][0]}}/ is KO");
+checkKoUrl(URL.createObjectURL(blob2), "POST",
+           "Fetching [POST] URL.createObjectURL(blob) is KO");
 
 done();