swarm: TestDialSimultaneousJoin

[marten-seemann]

https://github.com/libp2p/go-libp2p/runs/7060208469?check_suite_focus=true

  === RUN   TestDialSimultaneousJoin
      dial_test.go:584: third dial succedded; conn: <swarm.Conn[*libp2pquic.transport] /ip4/127.0.0.1/udp/60390/quic (12D3KooWRuYVGEsecrJJhZsSoKf1UNdBVYKFCmFLNj9ucZiSQCYj) <-> /ip4/127.0.0.1/udp/65434/quic (12D3KooWGEcD5sW5osB6LajkHGqiGc3W8eKfYwnJVVqfujkpLWX2)>
      dial_test.go:594: 
          	Error Trace:	dial_test.go:594
          	Error:      	Received unexpected error:
          	            	failed to dial 12D3KooWGEcD5sW5osB6LajkHGqiGc3W8eKfYwnJVVqfujkpLWX2:
          	            	  * [/ip4/127.0.0.1/tcp/49901] failed to negotiate security protocol: context deadline exceeded
          	Test:       	TestDialSimultaneousJoin
      dial_test.go:566: second dial succedded; conn: <swarm.Conn[*libp2pquic.transport] /ip4/127.0.0.1/udp/60390/quic (12D3KooWRuYVGEsecrJJhZsSoKf1UNdBVYKFCmFLNj9ucZiSQCYj) <-> /ip4/127.0.0.1/udp/65434/quic (12D3KooWGEcD5sW5osB6LajkHGqiGc3W8eKfYwnJVVqfujkpLWX2)>
  --- FAIL: TestDialSimultaneousJoin (0.26s)