chore: update Playwright tests and remove examples

tests/login.spec.ts

@@ -0,0 +1,42 @@
+import { test, expect } from '@playwright/test';
+import { async } from 'rxjs';
+
+test('LoginPageShouldRender', async ({ page }) => {
+  await page.goto('http://localhost:4200');
+
+  // Expect a title "to contain" a substring.
+  await expect(page).toHaveTitle(/EmployeeService/);
+});
+
+test('LoginPageShouldHaveCorrectHeading', async ({ page }) => {
+  await page.goto('http://localhost:4200');
+
+  const heading = page.getByRole('heading');
+  await expect(heading).toHaveText('Hi-Tec GmbH');
+});
+
+test('LoginPageShouldHaveLoginButton', async ({ page }) => {
+  await page.goto('http://localhost:4200');
+
+  const button = page.getByRole('button');
+  await expect(button).toHaveText('Login with Keycloak');
+});
+
+test('LoginPageButtonShouldRedirectToKeycloak', async ({ page }) => {
+  await page.goto('http://localhost:4200');
+
+  const button = page.getByText("Login with Keycloak");
+  await button.click();
+  await page.waitForFunction(() => window.location.href.includes('keycloak'));
+  expect(page.url()).toContain("keycloak.szut.dev");
+});
+
+// test('get started link', async ({ page }) => {
+//   await page.goto('https://playwright.dev/');
+
+//   // Click the get started link.
+//   await page.getByRole('link', { name: 'Get started' }).click();
+
+//   // Expects page to have a heading with the name of Installation.
+//   await expect(page.getByRole('heading', { name: 'Installation' })).toBeVisible();
+// });