Fix failing test in SessionsControllerTest

[jayjay-w]

There is a failing test in SessionsController where travel_to is behaving differently in CI vs dev. This PR contains a fix for it.

Description

In #1777, a new test was introduced in SessionsControllerTest, but it is bugging out in CI.

References: CV2-4164

How has this been tested?

Verified that the test passes successfully.

Things to pay attention to during code review

Run: rails test test/controllers/sessions_controller_test.rb:88

Checklist

• I have performed a self-review of my own code
• I have added unit and feature tests, if the PR implements a new feature or otherwise would benefit from additional testing
• I have added regression tests, if the PR fixes a bug
• I have added logging, exception reporting, and custom tracing with any additional information required for debugging
• I considered secure coding practices when writing this code. Any security concerns are noted above.
• I have commented my code in hard-to-understand areas, if any
• I have made needed changes to the README
• My changes generate no new warnings
• If I added a third party module, I included a rationale for doing so and followed our current guidelines

[codeclimate]

Code Climate has analyzed commit 0290f89 and detected 0 issues on this pull request.

The test coverage on the diff in this pull request is 100.0% (100% is the threshold).

This pull request will bring the total coverage in the repository to 100.0%.

View more on Code Climate.