diff --git a/backend/__fixtures__/testData.json b/backend/__fixtures__/testData.json
index 86972739..57fca4ad 100644
--- a/backend/__fixtures__/testData.json
+++ b/backend/__fixtures__/testData.json
@@ -57,6 +57,10 @@
       "email": "undefined@mail.ru",
       "password": "NotFound404"
     },
+    "loginUpperCase" :   {
+      "email": "NULL@YANDEX.RU",
+      "password": "Deleted410"
+    },
     "profile": {
       "currentUser": {
         "id": 1,
diff --git a/backend/__tests__/auth.e2e-spec.ts b/backend/__tests__/auth.e2e-spec.ts
index 9f3e19d8..8d8a3e08 100644
--- a/backend/__tests__/auth.e2e-spec.ts
+++ b/backend/__tests__/auth.e2e-spec.ts
@@ -22,6 +22,9 @@ describe('AuthController (e2e)', () => {
   let usersData: Users[];
   let jwtService: JwtService;
 
+  // FIXME: все тесты проходят если beforeEach
+  // заново полный setup -> надо перенести в хуки сброс аппа между тестами
+  // beforeEach(async () => { 
   beforeAll(async () => {
     moduleFixture = await Test.createTestingModule({
       imports: [
@@ -62,6 +65,14 @@ describe('AuthController (e2e)', () => {
     expect(body.token).toBeDefined();
   });
 
+  it('/login upperCase', async () => {
+    const { body } = await request(app.getHttpServer())
+      .post(`/login`)
+      .send(testData.loginUpperCase)
+      .expect(201);
+    expect(body.token).toBeDefined();
+  });
+
   it('/logout', async () => {
     const token = jwtService.sign(testData.sign);
     return request(app.getHttpServer())
diff --git a/backend/src/auth/local.strategy.ts b/backend/src/auth/local.strategy.ts
index a66c217f..18d00daf 100644
--- a/backend/src/auth/local.strategy.ts
+++ b/backend/src/auth/local.strategy.ts
@@ -12,7 +12,7 @@ export class LocalStrategy extends PassportStrategy(Strategy) {
   }
 
   async validate(email: string, password: string): Promise<any> {
-    const user = await this.authService.validateUser(email, password);
+    const user = await this.authService.validateUser(email.toLowerCase(), password);
     if (!user) {
       throw new UnauthorizedException();
     }
diff --git a/frontend/src/components/Navbar.jsx b/frontend/src/components/Navbar.jsx
index 15a4f56e..518ca40d 100644
--- a/frontend/src/components/Navbar.jsx
+++ b/frontend/src/components/Navbar.jsx
@@ -29,7 +29,7 @@ export function Navbar() {
             className="d-flex align-items-baseline"
             to={
               auth.isLoggedIn
-                ? routes.profilePagePath() // Затем вставим редирект на страницу со снипетами
+                ? routes.defaultProfilePagePath() // Затем вставим редирект на страницу со снипетами
                 : routes.lendingPath()
             }
           >
diff --git a/playwright.config.ts b/playwright.config.ts
index a7167a34..d6825003 100644
--- a/playwright.config.ts
+++ b/playwright.config.ts
@@ -88,7 +88,8 @@ export default defineConfig({
 
   /* Run your local dev server before starting the tests */
   webServer: {
-    command: 'make start-backend',
-    port: 5001,
+    command: 'npm run start',
+    port: 3000,
+    reuseExistingServer: !process.env.CI,
   },
 });
diff --git a/tests/example.spec.ts b/tests/example.spec.ts
index 8c7d6272..79ed4471 100644
--- a/tests/example.spec.ts
+++ b/tests/example.spec.ts
@@ -1,14 +1,14 @@
 import { test, expect } from '@playwright/test';
 
 test('has title', async ({ page }) => {
-  await page.goto('http://localhost:5001');
+  await page.goto('http://localhost:3000');
 
   // Expect a title "to contain" a substring.
   await expect(page).toHaveTitle(/Run IT/);
 });
 
 test('get started link', async ({ page }) => {
-  await page.goto('http://localhost:5001');
+  await page.goto('http://localhost:3000');
 
   // Click the get started link.
   await page.getByRole('button', { name: 'Начать кодить' }).first().click();
diff --git a/tests/workflow.spec.ts b/tests/workflow.spec.ts
index 21f4643e..94bd84f7 100644
--- a/tests/workflow.spec.ts
+++ b/tests/workflow.spec.ts
@@ -1,18 +1,21 @@
 import { test, expect } from '@playwright/test';
 
+/* TODO: Тесты каждый раз создают пользователя в приложении,
+все должно происходит в тестовом окружении */
 test('work', async ({ page }) => {
-  await page.goto('http://localhost:5001');
+  const randomNum = Math.round(Math.random() * 1000 + Math.random() * 100);
+  await page.goto('http://localhost:3000');
   await page.getByRole('button', { name: 'Регистрация' }).click();
-  await page.getByLabel('Электронная почта').fill('test@test.test');
-  await page.getByLabel('Логин').fill('test');
-  await page.getByLabel('Пароль', { exact: true }).fill('password');
-  await page.getByLabel('Подтвердить пароль').fill('password');
+  await page.getByLabel('Электронная почта').fill(`test${randomNum}@test.test`);
+  await page.getByLabel('Логин').fill(`test${randomNum}`);
+  await page.getByLabel('Пароль', { exact: true }).fill('12345678');
+  await page.getByLabel('Подтвердить пароль').fill('12345678');
   await page.getByRole('button', { name: 'Зарегистрироваться' }).click();
 
   await page.getByRole('button', { name: 'Новый сниппет' }).click();
   await page.getByRole('button', { name: 'Сохранить' }).click();
 
-  await page.getByRole('textbox', { name: 'Editor content;Press Alt+F1 for Accessibility Options.' }).fill('console.log(\'hello\');');
+  await page.getByRole('textbox', { name: 'Editor content;Press Alt+F1 for Accessibility Options.' }).fill('// Write your code in JS\nconsole.log(\'Hello\');');
   await page.getByRole('button', { name: 'Запустить' }).click();
 
   await expect(page.locator(':text("hello")')).toBeVisible();