diff --git a/test/e2e.spec.js b/test/e2e.spec.js
index 5535f57da..8de8ceb1f 100644
--- a/test/e2e.spec.js
+++ b/test/e2e.spec.js
@@ -284,6 +284,11 @@ describe("Init", () => {
     });
 });
 
+/**
+ * Test login
+ * @param {string} username
+ * @param {string} password
+ */
 async function login(username, password) {
     await input(page, "#floatingInput", username);
     await input(page, "#floatingPassword", password);
@@ -291,6 +296,13 @@ async function login(username, password) {
     await sleep(5000);
 }
 
+/**
+ * Click on an element on the page
+ * @param {Page} page Puppeteer page instance
+ * @param {string} selector
+ * @param {number} elementIndex
+ * @returns {Promise<any>}
+ */
 async function click(page, selector, elementIndex = 0) {
     await page.waitForSelector(selector, {
         timeout: 5000,
@@ -300,6 +312,12 @@ async function click(page, selector, elementIndex = 0) {
     }, selector, elementIndex);
 }
 
+/**
+ * Input text into selected field
+ * @param {Page} page Puppeteer page instance
+ * @param {string} selector
+ * @param {string} text Text to input
+ */
 async function input(page, selector, text) {
     await page.waitForSelector(selector, {
         timeout: 5000,