Method warn_if_missing

tests/utils/env_checker.py:50–52

Warn if key is missing and return True if key exists

(cls, service: str)

    
    @classmethod
    def warn_if_missing(cls, service: str) -> bool:
        """Warn if key is missing and return True if key exists"""
        return cls.check_key(service) is not None
    
    @classmethod
    def get_available_services(cls) -> List[str]: