def to_yaml
      sorted_facts = @facts.sort.to_h
      facts_hash_with_expanded_values = Hash[sorted_facts.collect { |k, v| [k, v.value] }]
      YAML.dump(facts_hash_with_expanded_values)
    end
def to_yaml
      sorted_facts = @facts.sort.to_h
      facts_hash_with_expanded_values = Hash[sorted_facts.collect { |k, v| [k, v.value] }]
      YAML.dump(facts_hash_with_expanded_values)
    end
YAML representation of the fact fixture.

 Returns a String containing the YAML representation of the fact fixture.