Update test to use elements to capture the trailing whitespace.

src/parser/paragraph.rs

@@ -57,9 +57,11 @@ fn paragraph_end<'r, 's>(context: Context<'r, 's>, input: &'s str) -> Res<&'s st
 
 #[cfg(test)]
 mod tests {
+    use crate::parser::element_parser::paragraph_element;
     use crate::parser::parser_context::ContextElement;
     use crate::parser::parser_context::ContextTree;
     use crate::parser::parser_with_context::parser_with_context;
+    use crate::parser::source::Source;
 
     use super::*;
 
@@ -69,12 +71,12 @@ mod tests {
         let initial_context: ContextTree<'_, '_> = ContextTree::new();
         let document_context =
             initial_context.with_additional_node(ContextElement::DocumentRoot(input));
-        let paragraph_matcher = parser_with_context!(paragraph)(&document_context);
+        let paragraph_matcher = parser_with_context!(paragraph_element)(&document_context);
         let (remaining, first_paragraph) = paragraph_matcher(input).expect("Parse first paragraph");
         let (remaining, second_paragraph) =
             paragraph_matcher(remaining).expect("Parse second paragraph.");
         assert_eq!(remaining, "");
-        assert_eq!(first_paragraph.source, "foo bar baz\n\n");
-        assert_eq!(second_paragraph.source, "lorem ipsum");
+        assert_eq!(first_paragraph.get_source(), "foo bar baz\n\n");
+        assert_eq!(second_paragraph.get_source(), "lorem ipsum");
     }
 }