Update spikeinterface/core/tests/test_baserecording.py
@@ -173,7 +173,7 @@ def test_BaseRecording():
probe.create_auto_shape()
rec_empty_probe = rec.set_probe(probe, group_mode='by_shank')
-
+assert rec_empty_probe.channel_ids.size == 0
# test return_scale
sampling_frequency = 30000
traces = np.zeros((1000, 5), dtype='int16')
