Update rustdoc tests for stability display

tests/rustdoc/const-display.rs

@@ -72,8 +72,8 @@ pub const fn stable_impl() -> u32 { 42 }
 pub struct Bar;
 
 impl Bar {
-    // Do not show non-const stabilities that are the same as the enclosing item.
-    // @matches 'foo/struct.Bar.html' '//span[@class="since"]' '^const: 1.2.0$'
+    // Show non-const stabilities that are the same as the enclosing item.
+    // @has 'foo/struct.Bar.html' '//span[@class="since"]' '1.0.0 (const: 1.2.0)'
     #[stable(feature = "rust1", since = "1.0.0")]
     #[rustc_const_stable(feature = "const2", since = "1.2.0")]
     pub const fn stable_impl() -> u32 { 42 }

tests/rustdoc/deref/deref-const-fn.rs

@@ -26,7 +26,7 @@ pub struct Foo {
 
 // @has 'foo/struct.Foo.html'
 // @has - '//*[@id="method.len"]' 'pub fn len(&self) -> usize'
-// @!has - '//*[@id="method.len"]//span[@class="since"]' '1.0.0'
+// @has - '//*[@id="method.len"]//span[@class="since"]' '1.0.0'
 // @!has - '//*[@id="method.len"]//span[@class="since"]' '(const: 1.0.0)'
 #[stable(feature = "rust1", since = "1.0.0")]
 impl std::ops::Deref for Foo {

tests/rustdoc/ensure-src-link.rs

@@ -2,5 +2,5 @@
 
 // This test ensures that the [src] link is present on traits items.
 
-// @has foo/trait.Iterator.html '//*[@id="method.zip"]//a[@class="src rightside"]' "source"
+// @has foo/trait.Iterator.html '//*[@id="method.zip"]//a[@class="src"]' "source"
 pub use std::iter::Iterator;

tests/rustdoc/implementor-stable-version.rs

@@ -16,6 +16,6 @@ pub trait Baz {}
 #[stable(feature = "foobar", since = "4.4.4")]
 impl Bar for Foo {}
 
-// @!has foo/trait.Baz.html '//div[@id="implementors-list"]//span[@class="since"]' '3.3.3'
+// @has foo/trait.Baz.html '//div[@id="implementors-list"]//span[@class="since"]' '3.3.3'
 #[stable(feature = "foobaz", since = "3.3.3")]
 impl Baz for Foo {}