update test

src/app/issues/issues.store.ts

@@ -42,6 +42,11 @@ export class IssuesStore {
     return this.data().find((i) => i.id === id);
   }
 
+  getNextId(): number {
+    const ids = this.data().map((i) => i.id);
+    return ids.length === 0 ? 1 : Math.max(...ids) + 1;
+  }
+
   async load(): Promise<void> {
     if (this.loaded()) return;
     this.loading.set(true);