Improve test for omitted type in constructor parent

Signed-off-by: Paul-Elliot <[email protected]>

Author: panglesd

test/xref2/github_issue_447.t/a.mli

@@ -1,6 +1,6 @@
 type u = Foo
 
-(** {!constructor-Foo} {!u.constructor-Foo} *)
+(** {!constructor-Foo} {!u.constructor-Foo} {!Foo} *)
 
 module M : sig
   type t = Foo

test/xref2/github_issue_447.t/run.t

@@ -18,7 +18,8 @@ Let's now check that the reference point to the right page/anchor:
 
   $ cat html/A/index.html | grep \# | grep Foo | grep -v anchor
      <p><a href="#type-u.Foo"><code>Foo</code></a> 
-      <a href="#type-u.Foo"><code>u.Foo</code></a>
+      <a href="#type-u.Foo"><code>u.Foo</code></a> 
+      <a href="#type-u.Foo"><code>Foo</code></a>
      <p><a href="M/index.html#type-t.Foo"><code>M.t.Foo</code></a> and 
       <a href="M/index.html#type-t.Foo"><code>M.t.Foo</code></a>
      <p><a href="M/index.html#type-t.Foo"><code>M.t.Foo</code></a> and