@Override
    public Scenario<GIVEN, WHEN, THEN> startScenario( String description ) {
        super.startScenario( description );
        return this;

    }
Describes the scenario. Must be called before any step invocation.
@param description the description
@return this for a fluent interface
jgiven-core/src/main/java/com/tngtech/jgiven/impl/Scenario.java