fix tests

lib/iris/tests/unit/analysis/regrid/test__CurvilinearRegridder.py

@@ -98,9 +98,8 @@ def test_same_src_as_init(self):
         patch_setup.assert_called_once_with(
             src_grid, self.weights, target_grid
         )
-        dims = (0, 1)
         patch_operate.assert_called_once_with(
-            src_grid, dims, mock.sentinel.regrid_info
+            src_grid, mock.sentinel.regrid_info
         )
         # The result is a re-merged version of the internal result, so it is
         # therefore '==' but not the same object.
@@ -137,9 +136,8 @@ def test_diff_src_from_init(self):
                 self.func_operate, return_value=self.dummy_slice_result
             ) as patch_operate:
                 _ = regridder(different_src_cube)
-        dims = (0, 1)
         patch_operate.assert_called_once_with(
-            different_src_cube, dims, mock.sentinel.regrid_info
+            different_src_cube, mock.sentinel.regrid_info
         )
 
     def test_caching(self):
@@ -162,12 +160,11 @@ def test_caching(self):
             src_grid, self.weights, target_grid
         )
         self.assertEqual(len(patch_operate.call_args_list), 2)
-        dims = (0, 1)
         self.assertEqual(
             patch_operate.call_args_list,
             [
-                mock.call(src_grid, dims, mock.sentinel.regrid_info),
-                mock.call(different_src_cube, dims, mock.sentinel.regrid_info),
+                mock.call(src_grid, mock.sentinel.regrid_info),
+                mock.call(different_src_cube, mock.sentinel.regrid_info),
             ],
         )