ci: fix ios test run (#1248)

Author: kazo0

build/workflow/scripts/ios-uitest-run.sh

@@ -41,8 +41,17 @@ mkdir -p $UNO_UITEST_SCREENSHOT_PATH/_logs
 ## Pre-install the application to avoid https://github.com/microsoft/appcenter/issues/2389
 ##
 
-export UITEST_IOSDEVICE_ID=`xcrun simctl list -j | jq -r --arg sim "$UNO_UITEST_SIMULATOR_VERSION" --arg name "$UNO_UITEST_SIMULATOR_NAME" '.devices[$sim] | .[] | select(.name==$name) | .udid'`
-export UITEST_IOSDEVICE_DATA_PATH=`xcrun simctl list -j | jq -r --arg sim "$UNO_UITEST_SIMULATOR_VERSION" --arg name "$UNO_UITEST_SIMULATOR_NAME" '.devices[$sim] | .[] | select(.name==$name) | .dataPath'`
+while true; do
+	export UITEST_IOSDEVICE_ID=`xcrun simctl list -j | jq -r --arg sim "$UNO_UITEST_SIMULATOR_VERSION" --arg name "$UNO_UITEST_SIMULATOR_NAME" '.devices[$sim] | .[] | select(.name==$name) | .udid'`
+	export UITEST_IOSDEVICE_DATA_PATH=`xcrun simctl list -j | jq -r --arg sim "$UNO_UITEST_SIMULATOR_VERSION" --arg name "$UNO_UITEST_SIMULATOR_NAME" '.devices[$sim] | .[] | select(.name==$name) | .dataPath'`
+
+	if [ -n "$UITEST_IOSDEVICE_ID" ]; then
+		break
+	fi
+
+	echo "Waiting for the simulator to be available"
+	sleep 5
+done
 
 echo "Simulator Data Path: $UITEST_IOSDEVICE_DATA_PATH"
 cp "$UITEST_IOSDEVICE_DATA_PATH/../device.plist" $UNO_UITEST_SCREENSHOT_PATH/_logs