Addresses PR comments

Author: Manuel Vivo

JetNews/.github/workflows/ci.yaml

@@ -10,9 +10,14 @@ jobs:
   ci:
     name: Build + Test
     runs-on: macOS-latest
+    strategy:
+      matrix:
+        api-level: [21, 29]
     steps:
       - name: Checkout
         uses: actions/checkout@v1
+        with:
+          fetch-depth: 1
 
 #      TODO: Cache dependencies using actions/cache
 
@@ -26,7 +31,7 @@ jobs:
       - name: Run instrumentation tests
         uses: reactivecircus/android-emulator-runner@v2
         with:
-          api-level: 21
-          arch: x86_64
+          api-level: ${{ matrix.api-level }}
+          arch: x86
           disable-animations: true
           script: ./gradlew connectedCheck --stacktrace