Move /src/test to /tests

tests/rustdoc/macro-document-private.rs

@@ -0,0 +1,19 @@
+// Checks that private macros are documented when `--document-private-items`
+// is present.
+//
+// This is a regression test for issue #73754.
+//
+// compile-flags: --document-private-items
+
+#![feature(decl_macro)]
+
+
+// @has macro_document_private/macro.some_macro.html
+macro some_macro {
+    (a: tt) => {}
+}
+
+// @has macro_document_private/macro.another_macro.html
+macro_rules! another_macro {
+    (a: tt) => {}
+}