fix iterating headers with `set-cookie` (#4048)

* fix iterating headers with `set-cookie`

* a test

* move work to `HTTPHeaderMap::set`

* append set-cookie after sort

* remove compare function

1 files changed, 8 insertions, 8 deletions

diff --git a/test/js/deno/fetch/headers.test.ts b/test/js/deno/fetch/headers.test.ts
index ee2466e32..efc4e6a6e 100644
--- a/test/js/deno/fetch/headers.test.ts
+++ b/test/js/deno/fetch/headers.test.ts
@@ -312,16 +312,16 @@ test(function headersInitMultiple() {
     ];
     assertEquals(actual, [
         [
+            "x-deno",
+            "foo, bar"
+        ],
+        [
             "set-cookie",
             "foo=bar"
         ],
         [
             "set-cookie",
             "bar=baz"
-        ],
-        [
-            "x-deno",
-            "foo, bar"
         ]
     ]);
 });
@@ -363,16 +363,16 @@ test(function headersAppendMultiple() {
     ];
     assertEquals(actual, [
         [
+            "x-deno",
+            "foo, bar"
+        ],
+        [
             "set-cookie",
             "foo=bar"
         ],
         [
             "set-cookie",
             "bar=baz"
-        ],
-        [
-            "x-deno",
-            "foo, bar"
         ]
     ]);
 });