test fixes

Author: molpopgen

src/table_collection.rs

@@ -1131,11 +1131,11 @@ impl TableCollection {
     /// # #[cfg(feature="provenance")] {
     /// # use tskit::TableAccess;
     /// let mut tables = tskit::TableCollection::new(1.0).unwrap();
-    /// let mut provenances = tskit::OwnedProvenanceTable::default();
+    /// let mut provenances = tskit::provenance::OwnedProvenanceTable::default();
     /// provenances.add_row("I like pancakes").unwrap();
     /// tables.set_provenances(&provenances).unwrap();
     /// assert_eq!(tables.provenances().num_rows(), 1);
-    /// assert_eq!(tables.provenances().record(0), "I like pancakes");
+    /// assert_eq!(tables.provenances().record(0).unwrap(), "I like pancakes");
     /// # provenances.clear().unwrap();
     /// # assert_eq!(provenances.num_rows(), 0);
     /// # }