Does jule allow integration tests to run without production credentials?

Goal: Verify whether the jule library can execute integration tests without loading production credentials, relying instead on a test‑only configuration or mock credentials.

Uncertainty: No verifiable documentation for a technology named “jule” exists in the training data up to 2024; the name may be conflated with JUnit, Julia, or Julep, and no official feature list or release notes have been located.

Does jule provide a configuration switch or profile that disables credential loading for test environments? Can test suites be run with a dedicated test profile that omits production secrets? Which documentation, if any, describes how jule handles credentials during integration testing?