Merge pull request #293 from ujiro99/copilot/optimize-actions-efficiency

chore: GitHub Actions 効率化（Playwright キャッシュ追加・重複テスト削除）

Author: ujiro99

.github/workflows/test.yml

@@ -29,9 +29,6 @@ jobs:
       - name: Run lint
         run: yarn lint
 
-      - name: Run tests
-        run: yarn test --run
-
       - name: Run tests with coverage
         run: yarn test:coverage --run
 
@@ -60,8 +57,22 @@ jobs:
       - name: Build extension
         run: yarn build:e2e
 
+      - name: Cache Playwright browsers
+        id: playwright-cache
+        uses: actions/cache@v4
+        with:
+          path: ~/.cache/ms-playwright
+          key: playwright-chromium-${{ hashFiles('**/package.json', 'yarn.lock') }}-v1
+          restore-keys: |
+            playwright-chromium-
+
       - name: Install Playwright browsers
+        if: steps.playwright-cache.outputs.cache-hit != 'true'
         run: npx playwright install chromium --with-deps
 
+      - name: Install Playwright system dependencies
+        if: steps.playwright-cache.outputs.cache-hit == 'true'
+        run: npx playwright install-deps chromium
+
       - name: Run E2E tests
         run: yarn test:e2e