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_v3/mod.rs

@@ -0,0 +1,61 @@
+use super::{
+    api_common::{Api, ApiBuildable},
+    environment::LocalService,
+};
+use crate::LabrinthConfig;
+use actix_web::{App, dev::ServiceResponse, test};
+use async_trait::async_trait;
+use std::rc::Rc;
+use utoipa_actix_web::AppExt;
+
+pub mod collections;
+pub mod limits;
+pub mod oauth;
+pub mod oauth_clients;
+pub mod organization;
+pub mod project;
+pub mod request_data;
+pub mod tags;
+pub mod team;
+pub mod user;
+pub mod version;
+
+#[derive(Clone)]
+pub struct ApiV3 {
+    pub test_app: Rc<dyn LocalService>,
+}
+
+#[async_trait(?Send)]
+impl ApiBuildable for ApiV3 {
+    async fn build(labrinth_config: LabrinthConfig) -> Self {
+        let app = App::new()
+            .into_utoipa_app()
+            .configure(|cfg| {
+                crate::utoipa_app_config(cfg, labrinth_config.clone())
+            })
+            .into_app()
+            .configure(|cfg| crate::app_config(cfg, labrinth_config.clone()));
+        let test_app: Rc<dyn LocalService> =
+            Rc::new(test::init_service(app).await);
+
+        Self { test_app }
+    }
+}
+
+#[async_trait(?Send)]
+impl Api for ApiV3 {
+    async fn call(&self, req: actix_http::Request) -> ServiceResponse {
+        self.test_app.call(req).await.unwrap()
+    }
+
+    async fn reset_search_index(&self) -> ServiceResponse {
+        let req = actix_web::test::TestRequest::post()
+            .uri("/_internal/admin/_force_reindex")
+            .append_header((
+                "Modrinth-Admin",
+                dotenvy::var("LABRINTH_ADMIN_KEY").unwrap(),
+            ))
+            .to_request();
+        self.call(req).await
+    }
+}