[green] Build Android integration once

Signed-off-by: Viwat Vchirawongkwin <viwat.v@chula.ac.th>

Author: yyods

.github/workflows/ci.yml

@@ -443,8 +443,7 @@ jobs:
           set -euo pipefail
           timeout --signal=TERM --kill-after=30s 20m \
             flutter test \
-            integration_test/about_page_test.dart \
-            integration_test/blockly_webview_test.dart \
+            integration_test/android_smoke_test.dart \
             -d "$PYBLE_ANDROID_SERIAL" \
             --reporter expanded \
             2>&1 | tee "$PYBLE_ANDROID_LOG_DIR/flutter-test.log"

app/integration_test/android_smoke_test.dart

@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: MIT
+// Part of PyBLE (https://pyble.dev) — see /LICENSE.
+//
+// One Android application bundle for the real package-metadata and Blockly
+// platform-WebView smoke tests. Flutter builds once per integration test file.
+
+import 'about_page_test.dart' as about_page;
+import 'blockly_webview_test.dart' as blockly_webview;
+
+void main() {
+  about_page.main();
+  blockly_webview.main();
+}