chore: Update test descriptions for AnnouncementController.test.ts

[devin-ai-integration]

PR Description

Overview

This pull request updates the test descriptions in the AnnouncementController.test.ts file to active tense, removing the word "should" and making them more concise.

Changes

The following lines in AnnouncementController.test.ts were updated:

• Line 90: it('adds announcement to state', () => {
• Line 111: it('adds new announcement to state and creates a new announcement with isShown as false', () => {
• Line 143: it('updates isShown status', () => {
• Line 155: it('updates isShown for multiple announcements', () => {

Notes

• The should_to_active_tense.txt file was used to track and verify the changes but was not included in the commit.
• No other files were edited or removed.
• The changes do not affect any test logic or assertions within the test functions.

Link to Devin run: https://preview.devin.ai/devin/e6fe6102a0924c408c9e896634e9ec6e

Please review the changes and provide feedback.