Keep cfg(test) on the test modules after the merge

crates/engine/src/lib.rs

@@ -1656,6 +1656,7 @@ mod devinspect_tests;
 mod devmode_behaviour_tests;
 #[cfg(test)]
 mod devmode_tail_tests;
+#[cfg(test)]
 mod doc_urls_tests;
 #[cfg(test)]
 mod double_click_tests;

crates/ui-egui/src/lib.rs

@@ -100,6 +100,7 @@ mod design_paste_tests;
 mod dev_mode_tests;
 #[cfg(test)]
 mod devmode_tail_tests;
+#[cfg(test)]
 mod duplicate_paint_tests;
 #[cfg(test)]
 mod export_preview_tests;