Android tests (#96)

* Print Android emulator/AVD output on failure

* Test Android test runner script again

One more try before throwing in the towel

* [debug] list AVDs available on GH

* Stop on Android test failure

* Clean up Android test debugging

Author: nil4

.github/workflows/ci.yml

@@ -100,9 +100,5 @@ jobs:
     #- name: run Android tests (macOS)
     #  if: "success() && matrix.env.OS == 'macOS'"
     #  run: |
-    #    pushd Samples/Beyond.NET.Sample.Native
-    #    ./publish_android_arm64
-    #    popd
-    #
     #    cd Samples/Beyond.NET.Sample.Android
     #    ./test-on-emulator.ps1

Samples/Beyond.NET.Sample.Android/test-on-emulator.ps1

@@ -72,6 +72,13 @@ try {
     # shut emulator down gracefully
     & $adb -s "emulator-${port}" emu kill
 }
+catch {
+    # if there was a failure, it's possible that the `emulator` running in the background
+    # encountered an issue -- print its output before terminating
+    Receive-Job $job -Keep
+    
+    throw "See emulator output above"
+}
 finally {
     # force kill emulator process
     Remove-Job $job -Force