Add test that variant contains its fields

Author: CraftSpider

src/test/rustdoc-json/enums/variant_tuple_struct.rs

@@ -2,7 +2,15 @@
 // @has - "$.index[*][?(@.name=='EnumTupleStruct')].kind" \"enum\"
 pub enum EnumTupleStruct {
     // @has - "$.index[*][?(@.name=='VariantA')].inner.variant_kind" \"tuple\"
-    // @has - "$.index[*][?(@.name=='0')].kind" \"struct_field\"
-    // @has - "$.index[*][?(@.name=='1')].kind" \"struct_field\"
-    VariantA(u32, String),
+    VariantA(
+        // @set field_0 = - "$.index[*][?(@.name=='0')].id"
+        // @has - "$.index[*][?(@.name=='0')].kind" \"struct_field\"
+        u32,
+        // @set field_1 = - "$.index[*][?(@.name=='1')].id"
+        // @has - "$.index[*][?(@.name=='1')].kind" \"struct_field\"
+        String,
+    ),
 }
+
+// @has - "$.index[*][?(@.name=='VariantA')].inner.variant_inner[*]" $field_0
+// @has - "$.index[*][?(@.name=='VariantA')].inner.variant_inner[*]" $field_1