Fix Config Overriding During Tests

[binh-dam-ibigroup]

Checklist

• Appropriate branch selected (all PRs must first be merged to dev before they can be merged to master)
• Any modified or new methods or classes have helpful JavaDoc and code is thoroughly commented
• The description lists all applicable issues this PR seeks to resolve
• [na] The description lists any configuration setting(s) that differ from the default settings
• All tests and CI builds passing

Description

A quick fix needed for an upcoming larger PR, so putting it out here so it doesn't have to be reviewed at that time.
This PR addresses a side effect of resetting null configuration values in test runs.