[test] ignore 8 gpu test (#1080)

* [test] ignore 8 gpu test

* polish code

* polish workflow

* polish workflow

tests/test_layers/test_3d/test_3d.py

@@ -51,6 +51,7 @@ def check_layer_and_operation(rank, world_size, port):
 
 
 @pytest.mark.dist
+@pytest.mark.skip("This test requires 8 GPUs to execute")
 @rerun_if_address_is_in_use()
 def test_3d():
     world_size = 8