exercise 4.3 completed

parts/4/blogApp/tests/listHelper.test.js

@@ -0,0 +1,10 @@
+const { test, describe } = require("node:test");
+const assert = require("node:assert");
+const { listHelper } = require("../src/utils");
+
+test("dummy returns one", () => {
+  const blogs = [];
+
+  const result = listHelper(blogs);
+  assert.strictEqual(result, 1);
+});