Added test file

Author: LakshmiKalaKadali

keras_rs/src/losses/list_mle_loss_test.py

@@ -7,7 +7,6 @@
 from keras_rs.src import testing
 from keras_rs.src.losses.list_mle_loss import ListMLELoss
 
-
 class ListMLELossTest(testing.TestCase, parameterized.TestCase):
     def setUp(self):
         self.unbatched_scores = ops.array([1.0, 3.0, 2.0, 4.0, 0.8])