Add tests for the 🔚 bullshitium.

src/parser/org_source.rs

@@ -84,7 +84,6 @@ impl<'s> OrgSource<'s> {
 
     pub(crate) fn get_until_end_of_str(&self, other: &'s str) -> OrgSource<'s> {
         let full_source_start = self.full_source.as_ptr() as usize;
-        let full_found_end = full_source_start + self.full_source.len();
         let other_start = other.as_ptr() as usize - full_source_start;
         let other_end = other_start + other.len();
         debug_assert!(other_start >= self.start);