delay -> sleep, style tweaks

src/db/adapters/DittoPostgres.ts

@@ -19,7 +19,7 @@ export class DittoPostgres {
     if (!this.db) {
       this.db = new Kysely({
         dialect: new PostgresJSDialect({
-          postgres: this.postgres as any,
+          postgres: this.postgres,
         }),
         log: KyselyLogger,
       });

src/test.ts

@@ -63,4 +63,6 @@ export async function getTestDB() {
   };
 }
 
-export const delay = (ms: number) => new Promise((resolve) => setTimeout(resolve, ms));
+export function sleep(ms: number): Promise<void> {
+  return new Promise((resolve) => setTimeout(resolve, ms));
+}