diff --git a/plate-tool-lib/src/transfer_region.rs b/plate-tool-lib/src/transfer_region.rs
index bc312b6..26dbc3f 100644
--- a/plate-tool-lib/src/transfer_region.rs
+++ b/plate-tool-lib/src/transfer_region.rs
@@ -566,35 +566,33 @@ mod tests {
     }
 
     #[test]
-    #[wasm_bindgen_test]
     fn test_pooling_transfer() {
+        use std::collections::HashSet;
         let transfer1 = TransferRegion {
             source_plate: Plate::new(PlateType::Source, PlateFormat::W384),
             dest_plate: Plate::new(PlateType::Destination, PlateFormat::W384),
-            source_region: Region::Rect((1, 4), (3, 7)),
-            dest_region: Region::Point((1, 9)),
+            source_region: Region::Rect(Well{ row: 1, col: 4}, Well{ row: 3, col: 7}),
+            dest_region: Region::Point(Well{ row: 1, col: 9}),
             interleave_source: (1, 1),
             interleave_dest: (0, 2),
         };
         //let transfer1_source = transfer1.get_source_wells();
-        let mut transfer1_dest = transfer1.get_destination_wells();
-        transfer1_dest.sort();
-        transfer1_dest.dedup(); // Makes our check easier, otherwise we have repeated wells
+        let transfer1_dest: HashSet<Well> = transfer1.get_destination_wells().into_iter().collect();
         let transfer1_map = transfer1.calculate_map();
         // Skipping source check---it's just 12 wells.
         assert_eq!(
             transfer1_dest,
-            vec![(1, 9), (1, 11), (1, 13), (1, 15)],
+            vec![Well{ row: 1, col: 9}, Well{ row: 1, col: 11}, Well{ row: 1, col: 13}, Well{ row: 1, col: 15}].into_iter().collect(),
             "Failed type pool 1 dest"
         );
         assert_eq!(
-            transfer1_map((2, 6)),
-            Some(vec![(1, 13)]),
+            transfer1_map(Well{ row: 2, col: 6}),
+            Some(vec![Well{ row: 1, col: 13}]),
             "Failed type pool 1 map 1"
         );
         assert_eq!(
-            transfer1_map((3, 7)),
-            Some(vec![(1, 15)]),
+            transfer1_map(Well{ row: 3, col: 7}),
+            Some(vec![Well{ row: 1, col: 15}]),
             "Failed type pool 1 map 2"
         );
     }