ci: add unit test workflow for YouTubeSummarizer

Author: lemcoder

.github/workflows/android-leap-chat-test.yml

@@ -4,11 +4,13 @@ on:
     branches: [ main ]
     paths:
       - 'Android/LeapChat/**'
+      - 'Android/YouTubeSummarizer/**'
       - '.github/workflows/android-leap-chat-test.yml'
   pull_request:
     branches: [ main ]
     paths:
       - 'Android/LeapChat/**'
+      - 'Android/YouTubeSummarizer/**'
       - '.github/workflows/android-leap-chat-test.yml'
   workflow_dispatch:
 
@@ -54,3 +56,18 @@ jobs:
             --device model=MediumPhone.arm,version=36,locale=en,orientation=portrait \
             --project liquid-leap
 
+  unit-test-youtube-summarizer:
+    runs-on: ubuntu-24.04
+    steps:
+    - uses: actions/checkout@v6
+      with:
+        persist-credentials: false
+    - name: Set up JDK 21
+      uses: actions/setup-java@v5
+      with:
+        java-version: '21'
+        distribution: 'temurin'
+    - name: Set up Gradle
+      uses: gradle/actions/setup-gradle@50e97c2cd7a37755bbfafc9c5b7cafaece252f6e # v6.1.0
+    - name: Run YouTubeSummarizer unit tests
+      run: cd Android/YouTubeSummarizer && ./gradlew :app:test