separate cuda assert_close condition

Author: Dan-Flores

test/test_ops.py

@@ -1214,7 +1214,10 @@ def test_video_encoder_round_trip(self, tmp_path, format, method, device):
 
         # If FFmpeg selects a codec or pixel format that does lossy encoding, assert 99% of pixels
         # are within a higher tolerance.
-        if ffmpeg_version == 6 or device == "cuda":
+        if ffmpeg_version == 6:
+            atol = 15
+            assert_close = partial(assert_tensor_close_on_at_least, percentage=99)
+        elif device == "cuda":
             atol = 15
             percentage = 98
             assert_close = partial(