Fix failing SetCookies_Success test (#53932)

* Fix failing SetCookies_Success test

src/libraries/System.Net.Primitives/tests/UnitTests/CookieContainerTest.cs

@@ -125,11 +125,11 @@ public static IEnumerable<object[]> SetCookiesData()
             yield return new object[]
             {
                 u,
-                "name98=value98; path=/; domain=.uri.com; expires=Wed, 09 Jun 2021 10:18:14 GMT, name99=value99",
+                "name98=value98; path=/; domain=.uri.com; expires=Wed, 09 Jun 2050 10:18:14 GMT, name99=value99",
                 new Cookie[]
                 {
                     new Cookie("name99", "value99"),
-                    new Cookie("name98", "value98", "/", ".uri.com") { Expires = new DateTime(2021, 6, 9, 10, 18, 14) }
+                    new Cookie("name98", "value98", "/", ".uri.com") { Expires = new DateTime(2050, 6, 9, 10, 18, 14) }
                 }
             }; // Version0
 
@@ -169,11 +169,11 @@ public static IEnumerable<object[]> SetCookiesData()
             yield return new object[]
             {
                 uSecure,
-                "name98=value98; name98=value98; comment=comment; comment=comment2; commentURL=http://url.com; commentURL=commentURL2; discard; discard; domain=.uri.com; domain=domain2; max-age=400; max-age=400; path=/; path=path; port=\"80, 90, 443\"; port=port2; path=path; expires=Wed, 09 Jun 2021 10:18:14 GMT; expires=expires2; secure; secure; httponly; httponly; Version=100; Version=100, name99=value99",
+                "name98=value98; name98=value98; comment=comment; comment=comment2; commentURL=http://url.com; commentURL=commentURL2; discard; discard; domain=.uri.com; domain=domain2; max-age=400; max-age=400; path=/; path=path; port=\"80, 90, 443\"; port=port2; path=path; expires=Wed, 09 Jun 2050 10:18:14 GMT; expires=expires2; secure; secure; httponly; httponly; Version=100; Version=100, name99=value99",
                 new Cookie[]
                 {
                     new Cookie("name99", "value99"),
-                    new Cookie("name98", "value98", "/", ".uri.com") { Port = "\"80, 90, 443\"", Version = 100, Secure = true, HttpOnly = true, Discard = true, Expires = new DateTime(2021, 6, 9, 10, 18, 14), Comment = "comment", CommentUri = new Uri("http://url.com") }
+                    new Cookie("name98", "value98", "/", ".uri.com") { Port = "\"80, 90, 443\"", Version = 100, Secure = true, HttpOnly = true, Discard = true, Expires = new DateTime(2050, 6, 9, 10, 18, 14), Comment = "comment", CommentUri = new Uri("http://url.com") }
                 }
             }; // Double entries