LanguageTag: Enables some commented out tests

lib/src/model/language_tag.rs

@@ -1003,7 +1003,6 @@ fn test_broken_tags() {
         "f-Latn",
         "fr-Latn-F",
         "a-value",
-        // "en-a-bbb-a-ccc", # 'a' appears twice, commented out because well-formed
         "tlh-a-b-foo",
         "i-notexist", // grandfathered but not registered: always invalid
         "abcdefghi-012345678",
@@ -1024,7 +1023,6 @@ fn test_broken_tags() {
         "ab--ab",
         "ab-abc-",
         "-ab-abc",
-        // "ab-c-abc-r-toto-c-abc  # 'c' appears twice ", commented out because well-formed
         "abcd-efg",
         "aabbccddE",
     ];
@@ -1116,6 +1114,8 @@ fn test_valid_tags() {
 #[test]
 fn test_invalid_tags() {
     let tags = vec![
+        "en-a-bbb-a-ccc", // 'a' appears twice, moved from broken_tags
+        "ab-c-abc-r-toto-c-abc", // 'c' appears twice ", moved from broken_tags
                           //TODO "ax-TZ",    // Not in the registry, but well-formed
                           //TODO "fra-Latn", // ISO 639 can be 3-letters
                           //TODO "fra",