Await database readiness in migration tests

Added an await for the 'ready' promise from the database module in the migration test setup to ensure the database is fully initialized before running tests.

src/lib/migrations/migrations.spec.ts

@@ -2,7 +2,7 @@ import { afterEach, assert, beforeAll, describe, expect, it } from "vitest";
 import { migrations } from "./routines";
 import { acquireLock, isDBLocked, refreshLock, releaseLock } from "./lock";
 import { Semaphores } from "$lib/types/Semaphore";
-import { collections } from "$lib/server/database";
+import { collections, ready } from "$lib/server/database";
 
 describe(
 	"migrations",
@@ -11,6 +11,7 @@ describe(
 	},
 	() => {
 		beforeAll(async () => {
+			await ready;
 			try {
 				await collections.semaphores.createIndex({ key: 1 }, { unique: true });
 			} catch (e) {