Expose test utils to Labrinth dependents (#4703)

* Expose test utils to Labrinth dependents

* Feature gate `labrinth::test`

* Unify db migrators

* Expose `NotificationBuilder::insert_many_deliveries`

* Add logging utils to common crate

* Remove unused console-subscriber layer

* fix CI

apps/labrinth/tests/common.rs

@@ -0,0 +1,32 @@
+//! Re-exports all [`labrinth::test`] items for compatibility.
+//!
+//! Previously, tests used `mod common` and `common::item` imports for testing.
+//! This has been moved into [`labrinth::test`] under a feature flag, and this
+//! module remains for backwards compatibility with tests which expect the
+//! `common` module.
+
+pub use labrinth::test::*;
+
+#[macro_export]
+macro_rules! assert_status {
+    ($response:expr, $status:expr) => {
+        assert_eq!(
+            $response.status(),
+            $status,
+            "{:#?}",
+            $response.response().body()
+        );
+    };
+}
+
+#[macro_export]
+macro_rules! assert_any_status_except {
+    ($response:expr, $status:expr) => {
+        assert_ne!(
+            $response.status(),
+            $status,
+            "{:#?}",
+            $response.response().body()
+        );
+    };
+}