}
					t.Fatal(err)
				}
				defer c.Close()
				trchs = append(trchs, make(chan error, 1))
				go transceiver(c, []byte("TCP SERVER TEST"), trchs[i])
			}

			for _, ch := range trchs {
				for err := range ch {
					t.Errorf("#%d: %v", i, err)
				}
			}
			for _, ch := range tpchs {
				for err := range ch {
					t.Errorf("#%d: %v", i, err)
				}
			}
		})
	}
}