How to fix the webdriver config so the test result won't be differ between computers

Question

I write the test on Mac and everything works well.

Then I migrated the test script to server's (ubuntu on Linode) docker container.

The test was failed,

@driver.current_url will show me https://m.flyscoot.com/

but actually I gave the url http://www.flyscoot.com/index.php/en/ to open.

My test was failed by unexpectedly redirected to https://m.flyscoot.com/

I've no idea why this happened?

I guess the web driver was be thought a mobile version browser.

How could I cheat the website so that I can get the identical test result ?

Test failed environment is running on selenium/node-firefox-debug and selenium/hub from this repo https://github.com/SeleniumHQ/docker-selenium

Dockerfile

  FROM selenium/node-firefox-debug
  ....
  CMD ["/bin/bash", "/opt/bin/entry_point.sh"]

docker-compose

  hub:
    image: selenium/hub
    ports:
      - 4444:4444
  web:
    build: .
    volumes:
      - .:/crawler
    ports:
      - 5900:5900
    links:
      - hub:hub

entry_point.sh

  #!/bin/bash
  # RUN THE CRON JOB
  export GEOMETRY="$SCREEN_WIDTH""x""$SCREEN_HEIGHT""x""$SCREEN_DEPTH"

  xvfb-run --server-args="$DISPLAY -screen 0 $GEOMETRY -ac +extension RANDR" \
      java -jar /opt/selenium/selenium-server-standalone.jar \
      -role node \
      -hub http://$HUB_1_PORT_4444_TCP_ADDR:$HUB_1_PORT_4444_TCP_PORT/grid/register \
      -browser browserName=firefox
      --background