improved test code

+{
+    "env": {
+        "browser": true,
+        "es2021": true
+    },
+    "extends": "eslint:recommended",
+    "parserOptions": {
+        "ecmaVersion": "latest",
+        "sourceType": "module"
+    },
+    "rules": {
+    }
+}

@@ -40,10 +40,10 @@ ex)
 */
 
 export async function get_schedule(id, pw, target_date) {
-    return using_selenium((driver) => {
-        return login(driver, id, pw)
-            .then(() => {
-                return load(driver, target_date)
+    return await using_selenium( async (driver) => {
+        return await login(driver, id, pw)
+            .then(async () => {
+                return await load(driver, target_date)
                     .then((data) => { 
                         //logout(driver)
                         console.log(data)
@@ -99,7 +99,7 @@ export async function load(driver, until) {
 export async function logout(driver) {
     await driver.get("https://khcanvas.khu.ac.kr/")
 
-    const logoutPanel = await driver.findElement(selenium.By.xpath('html/body/div[2]/header[2]/div[1]/ul/li[1]/button/div[1]')).click();
+    await driver.findElement(selenium.By.xpath('html/body/div[2]/header[2]/div[1]/ul/li[1]/button/div[1]')).click();
     await sleep(1000)
     const logout = await driver.findElement(selenium.By.xpath('html/body/div[3]/span/span/div/div/div/div/div/span/form/button'));
     logout.click()

@@ -14,12 +14,12 @@
   "license": "",
   "dependencies": {
     "@types/selenium-webdriver": "^4.1.0",
-    "eslint": "^8.16.0",
     "mocha": "^10.0.0",
     "selenium-webdriver": "^4.1.2"
   },
   "type": "module",
   "devDependencies": {
-    "@types/node": "^17.0.35"
+    "@types/node": "^17.0.35",
+    "eslint": "^8.16.0"
   }
 }

@@ -2,14 +2,17 @@
 //https://github.com/gatoona/AWS-Selenium
 import * as canvas from '../khcanvas.js'
 import * as rd from 'readline'
-import { assert } from 'console';
+import * as mocha from 'mocha'
+import process from 'node:process';
+import util from 'util'
+import { rejects } from 'assert';
 
-describe('khcanvas', () => {
-    it('opening selenium', () => {
-        //this.timeout(1000);
-        canvas.using_selenium(async (driver) => {
+
+mocha.describe('khcanvas', () => {
+    mocha.it('opening selenium', async () => {
+        await canvas.using_selenium(async (driver) => {
             await driver.get("http://khuhub.khu.ac.kr");
-            await driver.getTitle().then(function (title) {
+            await driver.getTitle().then( (title) => {
                 console.log(title);
             });
         });
@@ -17,24 +20,23 @@ describe('khcanvas', () => {
 });
 
 
-describe('khcanvas', () => {
-    it('get schedule', async () => {
+mocha.describe('khcanvas', () => {
+    mocha.it('get schedule', async () => {
         const rl = rd.createInterface({
             input: process.stdin,
             output: process.stdout
         })
 
-        rl.question('a', async (a) => {
-            rl.question('b', async (b) => {
-                await canvas.get_schedule(a, b, new Date())
-                    .then(it => { 
-                        console.log(it)
-                    })
-                    .catch(it => {
-                        console.log(it)
-                        throw new Error();
-                    })
+        const question = util.promisify(rl.question).bind(rl);
+
+        const a = await question('a');
+        const b = await question('b');
+
+        return await canvas.get_schedule(a, b, new Date())
+            .then(it => console.log(it))
+            .catch(it => {
+                console.log(it)
+                rejects(it)
             })
-        })
     })
 });
\ No newline at end of file