SAT should implement end to end tests in CI

[mattheworris]

As a developer, I would like to have CI do an integration test, or end to end test to ensure that changes from the gateway services are correctly integrated and working well.

Acceptance Criteria

• [ ] CI sets up and executes SAT
• [ ] Account sign-up path is verified
• [ ] Account sign-in path is verified
• [ ] New Post path is verified
  • [ ] Post with image(s) is verified as correct in the feeds
  • [ ] Post with video(s) is verified as correct in the feeds
  • [ ] Post with audio is verified as correct in the feeds
• [ ] New Replies are verified as correct in the feeds
• [ ] Follow action is verified
• [ ] Un-follow action is verified