fix: stderr

Author: kacperzolkiewski

.maestro/scripts/run-tests.sh

@@ -65,9 +65,7 @@ case "$PLATFORM" in
   *)       echo "Error: --platform must be ios or android" >&2; exit 1 ;;
 esac
 
-SETUP_OUTPUT=$("$SETUP")
-echo "$SETUP_OUTPUT"
-DEVICE_ID=$(echo "$SETUP_OUTPUT" | grep "^DEVICE_ID=" | cut -d= -f2)
+DEVICE_ID=$("$SETUP" | tee /dev/stderr | grep "^DEVICE_ID=" | cut -d= -f2)
 
 # Android uses DeviceLab; iOS keeps the runner default driver.
 DRIVER_ARGS=""