Fix eartts dataset unittest

Signed-off-by: Edresson Casanova <edresson1@gmail.com>

Author: Edresson

tests/collections/speechlm2/test_duplex_eartts.py

@@ -250,7 +250,7 @@ def training_cutset_batch():
             id=cut.id,
             recording_id=cut.recording_id,
             start=0.6,
-            duration=0.4,
+            duration=0.1,
             text='okay',
             speaker="assistant",
         ),
@@ -412,7 +412,7 @@ def test_eartts_dataset(dataset, training_cutset_batch):
             12,
             12,
             1,
-            1662,
+            2,
             1417,
             12,
             12,