feat: add test demo

lib/helper/repeatExecute.test.js

@@ -2,14 +2,16 @@ import { describe, it, expect } from 'vitest';
 import repeatExecute from './repeatExecute.js';
 
 describe('repeatExecute', () => {
-    it('should work well', () => {
-        const result = repeatExecute(() => {
-            console.log(1);
-        }, 5);
-        expect(typeof result).toMatchInlineSnapshot(`"object"`);
-    });
-
-    it('在延时时间内多次调用确保只执行一次', (done) => {});
+    it('should work well', async () => {
+        let sum = 0;
+        await repeatExecute(
+            () => {
+                sum += 1;
+            },
+            5,
+            300
+        );
 
-    it('首次执行立即执行', (done) => {});
+        expect(sum).toBe(5);
+    });
 });