fix(tests): match shape for np isin

Author: akhileshh

pychunkedgraph/graph/cutting.py

@@ -395,8 +395,8 @@ def _remap_cut_edge_set(self, cut_edge_set):
 
         remapped_cutset = np.array(remapped_cutset, dtype=np.uint64)
 
-        remapped_cutset_flattened_view = remapped_cutset.view(dtype="u8,u8")
-        edges_flattened_view = self.cg_edges.view(dtype="u8,u8")
+        remapped_cutset_flattened_view = remapped_cutset.view(dtype="u8,u8").ravel()
+        edges_flattened_view = self.cg_edges.view(dtype="u8,u8").ravel()
 
         cutset_mask = np.isin(remapped_cutset_flattened_view, edges_flattened_view)