Newtype: move up the test with tag only

Author: Mingun

test_suite/tests/test_enum_adjacently_tagged.rs

@@ -306,58 +306,58 @@ mod newtype {
     use super::*;
 
     #[test]
-    fn map_tag_content() {
-        let value = AdjacentlyTagged::Newtype::<u8>(1);
-
-        // Map: tag + content
-        assert_tokens(
-            &value,
+    fn map_tag_only() {
+        // optional newtype with no content field
+        assert_de_tokens(
+            &AdjacentlyTagged::Newtype::<Option<u8>>(None),
             &[
                 Token::Struct {
                     name: "AdjacentlyTagged",
-                    len: 2,
+                    len: 1,
                 },
                 Token::Str("t"),
                 Token::UnitVariant {
                     name: "AdjacentlyTagged",
                     variant: "Newtype",
                 },
-                Token::Str("c"),
-                Token::U8(1),
                 Token::StructEnd,
             ],
         );
+    }
 
-        // Map: content + tag
-        assert_de_tokens(
+    #[test]
+    fn map_tag_content() {
+        let value = AdjacentlyTagged::Newtype::<u8>(1);
+
+        // Map: tag + content
+        assert_tokens(
             &value,
             &[
                 Token::Struct {
                     name: "AdjacentlyTagged",
                     len: 2,
                 },
-                Token::Str("c"),
-                Token::U8(1),
                 Token::Str("t"),
                 Token::UnitVariant {
                     name: "AdjacentlyTagged",
                     variant: "Newtype",
                 },
+                Token::Str("c"),
+                Token::U8(1),
                 Token::StructEnd,
             ],
         );
-    }
 
-    #[test]
-    fn map_tag_only() {
-        // optional newtype with no content field
+        // Map: content + tag
         assert_de_tokens(
-            &AdjacentlyTagged::Newtype::<Option<u8>>(None),
+            &value,
             &[
                 Token::Struct {
                     name: "AdjacentlyTagged",
-                    len: 1,
+                    len: 2,
                 },
+                Token::Str("c"),
+                Token::U8(1),
                 Token::Str("t"),
                 Token::UnitVariant {
                     name: "AdjacentlyTagged",