Enforce minimum test coverage (#1646)

## Description:

Enforce minimum test coverage.

## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [x] I have added relevant tests to the test directory
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced
- [ ] I have read and accepted the CLA agreement (only required once).

.github/workflows/ci.yml

@@ -41,7 +41,7 @@ jobs:
         with:
           node-version: 20
       - run: npm ci
-      - run: npm test
+      - run: npm run test:coverage
 
   eslint:
     name: 🔍 ESLint

jest.config.ts

@@ -29,10 +29,10 @@ export default {
   collectCoverageFrom: ["src/**/*.ts", "!src/**/*.d.ts"],
   coverageThreshold: {
     global: {
-      branches: 0,
+      statements: 22.2,
-      functions: 0,
+      branches: 17.5,
-      lines: 0,
+      lines: 22.7,
-      statements: 0,
+      functions: 21.2,
     },
   },
   coverageReporters: ["text", "lcov", "html"],

src/client/graphics/GameRenderer.ts

@@ -61,10 +61,9 @@ export function createRenderer(
   if (!emojiTable || !(emojiTable instanceof EmojiTable)) {
     console.error("EmojiTable element not found in the DOM");
   }
-  emojiTable.eventBus = eventBus;
   emojiTable.transformHandler = transformHandler;
   emojiTable.game = game;
-  emojiTable.initEventBus();
+  emojiTable.initEventBus(eventBus);
 
   const buildMenu = document.querySelector("build-menu") as BuildMenu;
   if (!buildMenu || !(buildMenu instanceof BuildMenu)) {

src/client/graphics/layers/EmojiTable.ts

@@ -12,12 +12,11 @@ import { TransformHandler } from "../TransformHandler";
 @customElement("emoji-table")
 export class EmojiTable extends LitElement {
   @state() public isVisible = false;
-  public eventBus: EventBus;
   public transformHandler: TransformHandler;
   public game: GameView;
 
-  initEventBus() {
+  initEventBus(eventBus: EventBus) {
-    this.eventBus.on(ShowEmojiMenuEvent, (e) => {
+    eventBus.on(ShowEmojiMenuEvent, (e) => {
       this.isVisible = true;
       const cell = this.transformHandler.screenToWorldCoordinates(e.x, e.y);
       if (!this.game.isValidCoord(cell.x, cell.y)) {
@@ -40,7 +39,7 @@ export class EmojiTable extends LitElement {
           targetPlayer === this.game.myPlayer()
             ? AllPlayers
             : (targetPlayer as PlayerView);
-        this.eventBus.emit(
+        eventBus.emit(
           new SendEmojiIntentEvent(
             recipient,
             flattenedEmojiTable.indexOf(emoji),