Implement the evaluation.feature [gherkin test](https://openfeature.dev/specification/appendix-b) suite from the OpenFeature spec. - [ ] identify python gherkin/cucumber test-runner - [ ] implement tests (see [.NET](https://github.com/open-feature/dotnet-sdk-contrib/blob/main/test/OpenFeature.Contrib.Providers.Flagd.E2e.Test/Steps/EvaluationStepDefinitionBase.cs), [JS](https://github.com/open-feature/js-sdk-contrib/blob/main/libs/providers/flagd/src/e2e/step-definitions/evaluation.spec.ts), [Java](https://github.com/open-feature/java-sdk-contrib/blob/main/providers/flagd/src/test/java/dev/openfeature/contrib/providers/flagd/e2e/steps/StepDefinitions.java) impls) - [ ] run in CI using test-harness (see example in [JS](https://github.com/open-feature/js-sdk-contrib/blob/333e7010c9c42817c02284304598abfac5139e7d/.github/workflows/ci.yml#L38-L43))
Implement the evaluation.feature gherkin test suite from the OpenFeature spec.