Updated the test configuration file to include imports for Trailer, Transporter, and Vehicle models from the transportation module, enhancing the testing capabilities for related functionalities.
- Introduced a new fixture, `test_tenant`, to allocate ephemeral tenant and company IDs for tests, reducing conflicts with real data.
- Updated various test functions to use the new `test_tenant` fixture, ensuring consistent tenant ID usage across tests.
- Enhanced the `ensure_tenant_company` function to accept dynamic tenant and company IDs, improving flexibility in test scenarios.
- Adjusted database interaction in tests to utilize the ephemeral IDs, streamlining the setup process and enhancing isolation.
- Introduced a new job in the CI workflow to run backend tests before the build process.
- Configured Python environment and installed dependencies from the backend requirements.
- Added a check for the TEST_DATABASE_URL secret to ensure it is defined before running tests.
- The test job must pass for the build job to execute, enhancing the reliability of the CI pipeline.
