private boolean hasAttachment( ScenarioCaseModel aCase ) {
        for( StepModel model : aCase.getSteps() ) {
            if( model.hasAttachment() ) {
                return true;
            }
        }
        return false;
    }
Deletes all steps of scenario cases where a data table
is generated to reduce the size of the data file. 
In this case only the steps of the first scenario case are actually needed.
jgiven-html5-report/src/main/java/com/tngtech/jgiven/report/html5/Html5ReportGenerator.java