Add tests to ensure the font-weight is the correct one

Author: GuillaumeGomez

src/test/rustdoc-gui/font-weight.goml

@@ -5,3 +5,16 @@ assert-css: ("//*[@class='structfield small-section-header']//a[text()='Alias']"
 assert-css: ("#method\.a_method > code", {"font-weight": "600"})
 assert-css: ("#associatedtype\.X > code", {"font-weight": "600"})
 assert-css: ("#associatedconstant\.Y > code", {"font-weight": "600"})
+
+goto: file://|DOC_PATH|/test_docs/type.SomeType.html
+assert-css: (".top-doc .docblock p", {"font-weight": "400"}, ALL)
+
+goto: file://|DOC_PATH|/test_docs/struct.Foo.html
+assert-css: (".impl-items .method", {"font-weight": "600"}, ALL)
+
+goto: file://|DOC_PATH|/lib2/trait.Trait.html
+assert-count: (".methods .type", 1)
+assert-css: (".methods .type", {"font-weight": "600"})
+assert-count: (".methods .constant", 1)
+assert-css: (".methods .constant", {"font-weight": "600"})
+assert-css: (".methods .method", {"font-weight": "600"})

src/test/rustdoc-gui/src/lib2.rs

@@ -23,6 +23,8 @@ impl Foo {
 pub trait Trait {
     type X;
     const Y: u32;
+
+    fn foo() {}
 }
 
 impl Trait for Foo {