Updated login page tests to check for username and password fields

e2e/login.po.ts

@@ -2,10 +2,19 @@ import { browser, element, by } from 'protractor';
 
 export class LoginPageObject {
   navigateTo() {
-    return browser.get('/');
+    return browser.get('/login');
   }
 
   getLoginHeaderText() {
     return element(by.css('app-root h1')).getText();
   }
+
+  getUsernameField() { return element(by.id('username')); }
+  getPasswordField() { return element(by.id('password')); }
+
+  isUsernameFieldPresent() { return this.getUsernameField().isPresent(); }
+  isPasswordFieldPresent() { return this.getPasswordField().isPresent(); }
+
+  getUsernameFieldType() { return this.getUsernameField().getAttribute('type'); }
+  getPasswordFieldType() { return this.getPasswordField().getAttribute('type'); }
 }