code: def test_netdef_simple(self):
      net = core.Net("name")
      net.FC(["X", "W"], ["Y"])
      nn = ng.NNModule(net.Proto())
      for node in nn.dataFlow.getMutableNodes():
          if node.isOperator():
              assert node.getOperator().getName() == "FC"
          elif node.isTensor():
              assert node.getTensor().getName() in ["X", "W", "Y"]
  
imports: from caffe2.python import core, test_util
  from caffe2.proto import caffe2_pb2
  import caffe2.python.nomnigraph
  from hypothesis import given
  import hypothesis.strategies
  import random
label_desc: Use image node_id 5 for calling the TestBindings obj's underlying member method code with example usage: obj.test_netdef_simple() without return types