fix: resolve test conflicts with .env environment variables #526
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This PR fixes test failures caused by environment variables from the user's .env file interfering with test expectations.
Changes Made
globalSetupandglobalTeardownto backup and restore the .env file during testingresetEnvfunction to avoid restoring OCO_ environment variablesProblem Solved
Previously, when users had OCO_ environment variables set in their .env file (like OCO_MODEL=gpt-5-mini, OCO_TOKENS_MAX_OUTPUT=8192), these would override the expected default values in tests, causing failures.
Solution
The fix ensures that:
This maintains backward compatibility while ensuring reliable test execution.