minor test bugfix

Author: robzajac

tests/libp2p/test_libp2p.py

@@ -4,8 +4,8 @@
 
 @pytest.mark.asyncio
 async def test_simple_messages():
-    libA = Libp2p(transportOpt=["/ip4/127.0.0.1/tcp/8001/ipfs/hostA"])
-    libB = Libp2p(transportOpt=["/ip4/127.0.0.1/tcp/8000/ipfs/hostB"])
+    libA = Libp2p(transport_opt=["/ip4/127.0.0.1/tcp/8001/ipfs/hostA"])
+    libB = Libp2p(transport_opt=["/ip4/127.0.0.1/tcp/8000/ipfs/hostB"])
 
     hostA = await libA.new_node()
     hostB = await libB.new_node()