Move /src/test to /tests

tests/rustdoc/const-doc.rs

@@ -0,0 +1,19 @@
+use std::marker::PhantomData;
+
+pub struct Foo<'a> {
+    f: PhantomData<&'a u32>,
+}
+
+pub struct ContentType {
+    pub ttype: Foo<'static>,
+    pub subtype: Foo<'static>,
+    pub params: Option<Foo<'static>>,
+}
+
+impl ContentType {
+    // @has const_doc/struct.ContentType.html
+    // @has  - '//*[@id="associatedconstant.Any"]' 'const Any: ContentType'
+    pub const Any: ContentType = ContentType { ttype: Foo { f: PhantomData, },
+                                               subtype: Foo { f: PhantomData, },
+                                               params: None, };
+}