Update tests

Author: GuillaumeGomez

tests/rustdoc/doc-cfg-hide.rs

@@ -1,7 +1,7 @@
 #![crate_name = "oud"]
 #![feature(doc_auto_cfg, doc_cfg, doc_cfg_hide)]
 
-#![doc(cfg_hide(feature = "solecism"))]
+#![doc(auto_cfg(hide(feature = "solecism")))]
 
 //@ has 'oud/struct.Solecism.html'
 //@ count   - '//*[@class="stab portability"]' 0

tests/rustdoc/doc-cfg-implicit-gate.rs

@@ -2,6 +2,7 @@
 #![crate_name = "xenogenous"]
 
 //@ has 'xenogenous/struct.Worricow.html'
-//@ count   - '//*[@class="stab portability"]' 0
+//@ count   - '//*[@class="stab portability"]' 1
+//@ has - '//*[@class="item-info"]/*[@class="stab portability"]' 'worricow'
 #[cfg(feature = "worricow")]
 pub struct Worricow;