Constant DOCUMENT_3 

const DOCUMENT_3: &str = r#"More content on the same mock course page. Another snippet. Long. More content on the same mock course page. Another snippet. Long. More content on the same mock course page. Another snippet. Long. More content on the same mock course page. Another snippet. Long. More content on the same mock course page. Another snippet. Long. More content on the same mock course page. Another snippet. Long. More content on the same mock course page. Another snippet. Long. More content on the same mock course page. Another snippet. Long. More content on the same mock course page. Another snippet. Long. More content on the same mock course page. Another snippet. Long. More content on the same mock course page. Another snippet. Long."#;