Brandon/bb2 3792 401 errors

[bwang-icf]

JIRA Ticket:
[BB2-3792]https://jira.cms.gov/browse/BB2-3792

What Does This PR Do?

Fixes the issues with test client running into auth flow issues that are solved by refreshing. Added a retry mechanism around the bits of code that interfaced with SLS.

What Should Reviewers Watch For?

Any instance of the connection issues resurfacing

If you're reviewing this PR, please check for these things in particular:

Any other cleaner ways of having this code or other ideas to handle this more comprehensively would be appreciated. Currently, this just is around a few specific instances, so being able to handle this generally might be worth investigating.

Validation

Proof of retry with a then successful connection

What Security Implications Does This PR Have?

Please indicate if this PR does any of the following:

• Adds any new software dependencies
• Modifies any security controls
• Adds new transmission or storage of data
• Any other changes that could possibly affect security?

• Yes, one or more of the above security implications apply. This PR must not be merged without the ISSO or team
  security engineer's approval.

Any Migrations?

• Yes, there are migrations
  • The migrations should be run PRIOR to the code being deployed
  • The migrations should be run AFTER the code is deployed
  • There is a more complicated migration plan (downtime,
    etc)
• No migrations