Update primitive test to match the new behavior

Author: jyn514

src/test/rustdoc/intra-link-prim-precedence.rs

@@ -1,17 +1,17 @@
 // ignore-tidy-linelength
 #![deny(broken_intra_doc_links)]
 
-pub mod char {}
+pub mod char {
+    /// [char]
+    // @has intra_link_prim_precedence/char/struct.Inner.html '//a/@href' 'https://doc.rust-lang.org/nightly/std/primitive.char.html'
+    pub struct Inner;
+}
 
-/// See also [type@char]
+/// See [prim@char]
 // @has intra_link_prim_precedence/struct.MyString.html '//a/@href' 'https://doc.rust-lang.org/nightly/std/primitive.char.html'
 pub struct MyString;
 
-/// See also [char]
-// @has intra_link_prim_precedence/struct.MyString2.html '//a/@href' 'https://doc.rust-lang.org/nightly/std/primitive.char.html'
-pub struct MyString2;
-
 /// See also [crate::char] and [mod@char]
-// @has intra_link_prim_precedence/struct.MyString3.html '//*[@href="../intra_link_prim_precedence/char/index.html"]' 'crate::char'
+// @has intra_link_prim_precedence/struct.MyString2.html '//*[@href="../intra_link_prim_precedence/char/index.html"]' 'crate::char'
 // @has - '//*[@href="../intra_link_prim_precedence/char/index.html"]' 'mod@char'
-pub struct MyString3;
+pub struct MyString2;