Fix oracle loader timeline test fixture

test_easycom_oracle_features.py

@@ -225,7 +225,9 @@ class OracleFeatureTests(unittest.TestCase):
             "audio_valid": torch.ones(n, dtype=torch.bool),
             "persons": {
                 "features": torch.randn(n, 6),
-                "frame_times": torch.arange(n, dtype=torch.float64) / 5,
+                # Oracle person rows are current-state observations sampled at
+                # the same inclusive 5 Hz right edges as the target timeline.
+                "frame_times": times.clone(),
                 "frame_offsets": torch.arange(n + 1, dtype=torch.long),
                 "records": [{"id": "3"} for _ in range(n)],
             },