This example can't work without modules installed

Author: coke

doc/Type/IO/Handle.pod6

@@ -918,6 +918,7 @@ to work with textual read/write methods and doesn't use the standard C<.open>
 method, be sure to call C<.encoding> method in your custom handle to get
 decoder/encoder properly set up:
 
+=begin code :skip-test<uses ecosystem modules>
     class IO::URL is IO::Handle {
         has $.URL is required;
         has Buf $!content;
@@ -960,6 +961,7 @@ decoder/encoder properly set up:
     # read methods, such as .lines, or .get, or .readchars. All of them work
     # correctly, even though we only defined .READ and .EOF
     $fh.slurp.say;
+=end code
 
 =head2 method WRITE