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/src/test/api_v2/user.rs

@@ -0,0 +1,55 @@
+use super::ApiV2;
+use crate::test::api_common::{Api, ApiUser, AppendsOptionalPat};
+use actix_web::{dev::ServiceResponse, test};
+use async_trait::async_trait;
+
+#[async_trait(?Send)]
+impl ApiUser for ApiV2 {
+    async fn get_user(
+        &self,
+        user_id_or_username: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::get()
+            .uri(&format!("/v2/user/{user_id_or_username}"))
+            .append_pat(pat)
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn get_current_user(&self, pat: Option<&str>) -> ServiceResponse {
+        let req = test::TestRequest::get()
+            .uri("/v2/user")
+            .append_pat(pat)
+            .to_request();
+        self.call(req).await
+    }
+
+    async fn edit_user(
+        &self,
+        user_id_or_username: &str,
+        patch: serde_json::Value,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::patch()
+            .uri(&format!("/v2/user/{user_id_or_username}"))
+            .append_pat(pat)
+            .set_json(patch)
+            .to_request();
+
+        self.call(req).await
+    }
+
+    async fn delete_user(
+        &self,
+        user_id_or_username: &str,
+        pat: Option<&str>,
+    ) -> ServiceResponse {
+        let req = test::TestRequest::delete()
+            .uri(&format!("/v2/user/{user_id_or_username}"))
+            .append_pat(pat)
+            .to_request();
+
+        self.call(req).await
+    }
+}