ci(store-screenshots): upload the test results when a capture fails (#7498)

.github/workflows/store-screenshots.yml

@@ -144,6 +144,18 @@ jobs:
           if-no-files-found: warn
           retention-days: 7
 
+      # The failing test's exception and the device logcat live only in these directories.
+      - name: Upload the test results
+        if: ${{ failure() }}
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7
+        with:
+          name: store-screenshots-test-results
+          path: |
+            store-screenshots/build/outputs/androidTest-results/connected
+            store-screenshots/build/reports/androidTests/connected
+          if-no-files-found: warn
+          retention-days: 7
+
   # The five Flathub shots, from the real desktop debug build on a virtual display.
   desktop:
     name: Desktop