tests(e2e): improve coverage

.github/workflows/test-api-e2e-mobile.yml

@@ -130,6 +130,9 @@ jobs:
         working-directory: ./examples/api
         env:
           NDK_HOME: ${{ steps.setup-ndk.outputs.ndk-path }}
+          # a debug build without debug info, which would otherwise grow the APK
+          # past what the emulator can install (see androidBuildEnv in wdio.mobile.ts)
+          CARGO_PROFILE_DEV_DEBUG: '0'
         run: pnpm tauri android build --debug --apk --target $E2E_ANDROID_TARGET
 
       - name: save gradle cache

.github/workflows/test-api-e2e.yml

@@ -79,7 +79,9 @@ jobs:
             librsvg2-dev \
             dbus \
             xvfb \
-            fluxbox
+            fluxbox \
+            desktop-file-utils \
+            xdg-utils
 
       # msedgedriver has to match the installed WebView2 runtime, so msedgedriver-tool
       # downloads the right version at run time. The tool itself is built from a pinned git