Disable temporarily too slow tests (Longformer/LED) (#10062)

* Disable temporarily too slow tests

* Fix style

* Fix template

tests/test_modeling_tf_led.py

@@ -353,10 +353,6 @@ class TFLEDModelTest(TFModelTesterMixin, unittest.TestCase):
             self.assertEqual(model.config.output_hidden_states, True)
             check_encoder_attentions_output(outputs)
 
-    def test_saved_model_creation(self):
-        # This test is too long (>30sec) and makes fail the CI
-        pass
-
     def test_mixed_precision(self):
         # TODO JP: Make LED float16 compliant
         pass
@@ -377,6 +373,22 @@ class TFLEDModelTest(TFModelTesterMixin, unittest.TestCase):
         # Need to check with PVP how to properly fix this
         pass
 
+    @slow
+    def test_saved_model_with_hidden_states_output(self):
+        # Temporarily disable this test in order to find
+        # how to better handle it without timing out the CI
+        pass
+
+    def test_saved_model_creation(self):
+        # This test is too long (>30sec) and makes fail the CI
+        pass
+
+    @slow
+    def test_saved_model_creation_extended(self):
+        # Temporarily disable this test in order to find
+        # how to better handle it without timing out the CI
+        pass
+
 
 def _assert_tensors_equal(a, b, atol=1e-12, prefix=""):
     """If tensors not close, or a and b arent both tensors, raise a nice Assertion error."""

tests/test_modeling_tf_longformer.py

@@ -351,10 +351,22 @@ class TFLongformerModelTest(TFModelTesterMixin, unittest.TestCase):
         # Need to check with PVP how to properly fix this
         pass
 
+    @slow
+    def test_saved_model_with_hidden_states_output(self):
+        # Temporarily disable this test in order to find
+        # how to better handle it without timing out the CI
+        pass
+
     def test_saved_model_creation(self):
         # This test is too long (>30sec) and makes fail the CI
         pass
 
+    @slow
+    def test_saved_model_creation_extended(self):
+        # Temporarily disable this test in order to find
+        # how to better handle it without timing out the CI
+        pass
+
     def test_mixed_precision(self):
         # TODO JP: Make Longformer float16 compliant
         pass