Clarify that this page is not using the nb/en.json files for language

frontend/testing/playwright/pages/LoginPage.ts

@@ -1,8 +1,15 @@
 import { Page } from '@playwright/test';
 import { BasePage } from '../helpers/BasePage';
 
+// Since this page is a Razor page, it's not using the nb/en.json files, which are used in the frontend.
+const loginPageTexts: Record<string, string> = {
+  login: 'logg inn',
+  username: 'Brukernavn eller epost',
+  password: 'Passord',
+};
+
 export class LoginPage extends BasePage {
-  private readonly _authStorageFile: string = '.playwright/auth/user.json';
+  private readonly authStorageFile: string = '.playwright/auth/user.json';
 
   constructor(page: Page) {
     super(page);
@@ -13,26 +20,26 @@ export class LoginPage extends BasePage {
   }
 
   public async goToGiteaLoginPage(): Promise<void> {
-    await this.page.getByRole('button', { name: 'Logg inn' }).click();
+    await this.page.getByRole('button', { name: loginPageTexts['login'] }).click();
   }
 
   public async writeUsername(username: string): Promise<void> {
-    return await this.page.getByLabel('Brukernavn eller epost').fill(username);
+    return await this.page.getByLabel(loginPageTexts['username']).fill(username);
   }
 
   public async writePassword(password: string): Promise<void> {
-    return await this.page.getByLabel('Passord').fill(password);
+    return await this.page.getByLabel(loginPageTexts['password']).fill(password);
   }
 
   public async clickLoginButton(): Promise<void> {
-    return await this.page.getByRole('button', { name: 'Logg inn' }).click();
+    return await this.page.getByRole('button', { name: loginPageTexts['login'] }).click();
   }
 
   public async confirmSuccessfulLogin(): Promise<void> {
     return this.page.waitForURL(this.getRoute('dashboard'));
   }
 
   public async addSessionToSharableStorage() {
-    return await this.page.context().storageState({ path: this._authStorageFile });
+    return await this.page.context().storageState({ path: this.authStorageFile });
   }
 }