Move /src/test to /tests

tests/rustdoc/issue-99221-multiple-macro-rules-w-same-name.rs

@@ -0,0 +1,17 @@
+// aux-build:issue-99221-aux.rs
+// build-aux-docs
+// ignore-cross-compile
+
+#![crate_name = "foo"]
+
+#[macro_use]
+extern crate issue_99221_aux;
+
+pub use issue_99221_aux::*;
+
+// @count foo/index.html '//a[@class="macro"]' 1
+
+#[macro_export]
+macro_rules! print {
+    () => ()
+}