To address the issues of consistency and maintainability in large-scale automation projects, it is important to follow some best practices when writing Cucumber feature files. Here are a few suggestions that may be helpful:
Establish a clear style guide for writing feature files, and make sure that all team members are aware of and follow this style guide. This can help to ensure that feature files are written in a consistent and uniform manner, which can make them easier to read and understand. The style guide should include guidelines for things like grammar, formatting, and the use of terminology.
Use a shared repository or library of step definitions and test data to ensure that common steps and test data are shared across different feature files. This can help to reduce redundancy and improve maintainability, as changes to common steps or test data only need to be made in a single location.
Use version control tools, such as Git, to track changes to your feature files and step definitions. This can allow you to easily revert back to previous versions if needed, and can also help to identify any conflicts or issues that may arise when multiple team members are working on the same files.
Consider using a test management tool to help you organize and manage your feature files and step definitions. Many test management tools have features that can help you organize and manage your test cases, such as the ability to group test cases into folders or use tags to filter and search for test cases.