🚨(tests) add language related tests; fix getByRole not working in tests

- adds tests and test-utility for solid language switching in tests
- fixes where ...getByRole(menuitem... would not return a valid object

src/frontend/apps/e2e/__tests__/app-impress/doc-version.spec.ts

@@ -18,11 +18,7 @@ test.describe('Doc Version', () => {
     await verifyDocName(page, randomDoc);
 
     await page.getByLabel('Open the document options').click();
-    await page
-      .getByRole('menuitem', {
-        name: 'Version history',
-      })
-      .click();
+    await page.getByLabel('Version history').click();
     await expect(page.getByText('History', { exact: true })).toBeVisible();
 
     const modal = page.getByLabel('version history modal');
@@ -58,11 +54,7 @@ test.describe('Doc Version', () => {
     ).toBeVisible();
 
     await page.getByLabel('Open the document options').click();
-    await page
-      .getByRole('menuitem', {
-        name: 'Version history',
-      })
-      .click();
+    await page.getByLabel('Version history').click();
 
     await expect(panel).toBeVisible();
     await expect(page.getByText('History', { exact: true })).toBeVisible();
@@ -90,9 +82,7 @@ test.describe('Doc Version', () => {
     await verifyDocName(page, 'Mocked document');
 
     await page.getByLabel('Open the document options').click();
-    await expect(
-      page.getByRole('menuitem', { name: 'Version history' }),
-    ).toBeDisabled();
+    await expect(page.getByLabel('Version history')).toBeDisabled();
   });
 
   test('it restores the doc version', async ({ page, browserName }) => {
@@ -119,11 +109,7 @@ test.describe('Doc Version', () => {
     await expect(page.getByText('World')).toBeVisible();
 
     await page.getByLabel('Open the document options').click();
-    await page
-      .getByRole('menuitem', {
-        name: 'Version history',
-      })
-      .click();
+    await page.getByLabel('Version history').click();
 
     const modal = page.getByLabel('version history modal');
     const panel = modal.getByLabel('version list');