ci: collect non-empty iOS Harness artifacts

Author: mrousavy

apps/simple-camera/device-farm-tests/AwsTestSpecIOS.yml

@@ -33,7 +33,10 @@ phases:
       - HARNESS_JUNIT="$HARNESS_ARTIFACTS/harness-results.junit.xml"
       - HARNESS_LOG="$HARNESS_ARTIFACTS/harness-output.log"
       - HARNESS_METRO_HOST_FILE="$HARNESS_ARTIFACTS/metro-host-ip.txt"
-      - mkdir -p "$HARNESS_ARTIFACTS" "$WORKING_DIRECTORY/react-native-vision-camera/apps/simple-camera/.harness/crash-reports"
+      - HARNESS_PROJECT_DIR="$WORKING_DIRECTORY/react-native-vision-camera/apps/simple-camera"
+      - HARNESS_INTERNAL_ARTIFACTS="$HARNESS_PROJECT_DIR/.harness"
+      - mkdir -p "$HARNESS_ARTIFACTS" "$HARNESS_INTERNAL_ARTIFACTS"
+      - touch "$HARNESS_INTERNAL_ARTIFACTS/.devicefarm-artifacts"
 
       # Resolve host IPv6 for Metro. On macOS runners IPv4 won't work, as
       # confirmed by AWS support. AWS recommends utun interfaces for this.
@@ -61,7 +64,7 @@ phases:
 
         : "${DEVICEFARM_DEVICE_UDID:?Missing DEVICEFARM_DEVICE_UDID. Device Farm must provide the physical iOS device UDID.}"
 
-        cd "$WORKING_DIRECTORY/react-native-vision-camera/apps/simple-camera"
+        cd "$HARNESS_PROJECT_DIR"
 
         HARNESS_IOS_XCTESTRUN_FILE="$DEVICEFARM_XCUITESTRUN_FILE" \
           HARNESS_IOS_XCTEST_DERIVED_DATA_PATH="$DEVICEFARM_DERIVED_DATA_PATH" \
@@ -80,4 +83,4 @@ phases:
 
 artifacts:
   - $WORKING_DIRECTORY/harness-artifacts
-  - $WORKING_DIRECTORY/react-native-vision-camera/apps/simple-camera/.harness/crash-reports
+  - $WORKING_DIRECTORY/react-native-vision-camera/apps/simple-camera/.harness