mark test as premerge so it runs

Author: nv-alaiacano

tests/integration/tf/test_transformer_model.py

@@ -32,8 +32,8 @@
 from merlin.systems.triton.utils import run_ensemble_on_tritonserver  # noqa
 
 
+@pytest.mark.premerge
 def test_serve_tf_session_based_with_libtensorflow(tmpdir):
-
     # ===========================================
     # Generate training data
     # ===========================================