ci: revert API 29 test to Mac OS

It fails on ubuntu-latest

.github/workflows/adbe-unittests-api26.yml

@@ -29,6 +29,14 @@ jobs:
       - name: checkout
         uses: actions/checkout@v4
 
+      # Ref: https://github.com/ReactiveCircus/android-emulator-runner?tab=readme-ov-file#running-hardware-accelerated-emulators-on-linux-runners
+      - name: Enable KVM
+        if: runner.os == 'Linux'
+        run: |
+          echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' | sudo tee /etc/udev/rules.d/99-kvm4all.rules
+          sudo udevadm control --reload-rules
+          sudo udevadm trigger --name-match=kvm
+
       - name: Gradle cache
         uses: gradle/gradle-build-action@v3
 

.github/workflows/adbe-unittests-api29.yml

@@ -14,7 +14,10 @@ concurrency:
 
 jobs:
   testOnApi29:
-    runs-on: ubuntu-latest
+    # This hangs on ubuntu-latest
+    # Ref: https://github.com/ashishb/adb-enhanced/pull/239
+    # Ref: https://github.com/ReactiveCircus/android-emulator-runner/issues/385
+    runs-on: macos-13  # X86-based as macOS 14 onwards is ARM-based
     timeout-minutes: 15
 
     strategy:
@@ -28,6 +31,7 @@ jobs:
 
       # Ref: https://github.com/ReactiveCircus/android-emulator-runner?tab=readme-ov-file#running-hardware-accelerated-emulators-on-linux-runners
       - name: Enable KVM
+        if: runner.os == 'Linux'
         run: |
           echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' | sudo tee /etc/udev/rules.d/99-kvm4all.rules
           sudo udevadm control --reload-rules
@@ -43,7 +47,7 @@ jobs:
           path: |
             ~/.android/avd/*
             ~/.android/adb*
-          key: avd-${{ matrix.api-level }}
+          key: avd-${{ runner.os }}-${{ matrix.api-level }}
 
       - name: Create AVD and generate snapshot for caching
         if: steps.avd-cache.outputs.cache-hit != 'true'