diff --git a/test/core/test_compute.py b/test/core/test_compute.py
index 1c11cd095..a1b486566 100644
--- a/test/core/test_compute.py
+++ b/test/core/test_compute.py
@@ -109,13 +109,13 @@ def my_cube_func(analysed_sst: np.ndarray,
         self.assertIsInstance(output_dataset, xr.Dataset)
         self.assertIn('analysed_sst_max', output_dataset.data_vars)
         output_var = output_dataset.analysed_sst_max
-        self.assertEqual(1, len(calls))
+        self.assertEqual(0, len(calls))
         self.assertEqual(('lat', 'lon'), output_var.dims)
         self.assertEqual((180, 360), output_var.shape)
         self.assertEqual(((90, 90), (90, 90, 90, 90)), output_var.chunks)
 
         values = output_var.values
-        self.assertEqual(2 * 4 + 1, len(calls))  # Plus 1, because of an xarray test call with empty inputs
+        self.assertEqual(2 * 4, len(calls))
         self.assertEqual((180, 360), values.shape)
         self.assertAlmostEqual(275.3 + 2.1, values[0, 0])
         self.assertAlmostEqual(275.3 + 2.1, values[-1, -1])