Bug 1394399 P2 Fix mochitests to expect "same-origin" default Request.credentials. r=baku

dom/tests/mochitest/fetch/test_fetch_cors.js

@@ -64,9 +64,9 @@ function testSameOriginCredentials() {
                 withCred: "same-origin",
               },
               {
-                // Default mode is "omit".
+                // Default mode is "same-origin".
                 pass: 1,
-                noCookie: 1,
+                cookie: cookieStr,
               },
               {
                 pass: 1,

dom/tests/mochitest/fetch/test_request.js

@@ -6,7 +6,7 @@ function testDefaultCtor() {
   is(req.destination, "", "Default destination is the empty string.");
   is(req.referrer, "about:client", "Default referrer is `client` which serializes to about:client.");
   is(req.mode, "cors", "Request mode for string input is cors");
-  is(req.credentials, "omit", "Default Request credentials is omit");
+  is(req.credentials, "same-origin", "Default Request credentials is same-origin");
   is(req.cache, "default", "Default Request cache is default");
 
   var req = new Request(req);
@@ -16,7 +16,7 @@ function testDefaultCtor() {
   is(req.destination, "", "Default destination is the empty string.");
   is(req.referrer, "about:client", "Default referrer is `client` which serializes to about:client.");
   is(req.mode, "cors", "Request mode string input is cors");
-  is(req.credentials, "omit", "Default Request credentials is omit");
+  is(req.credentials, "same-origin", "Default Request credentials is same-origin");
   is(req.cache, "default", "Default Request cache is default");
 }