Using `unsafe` blocks to manipulate environment variables in tests can cause race conditions and unpredictable behavior when tests run in parallel. Consider using a test-specific environment or mocking approach instead of modifying the global environment.

[behrangsa]

Using unsafe blocks to manipulate environment variables in tests can cause race conditions and unpredictable behavior when tests run in parallel. Consider using a test-specific environment or mocking approach instead of modifying the global environment.

Originally posted by @Copilot in #129 (comment)