t.Error(err)
				return
			}
		}
	}()

	clientConn, err := net.DialUnix("unixpacket", nil, addr)
	if err != nil {
		// Leaves the server goroutine hanging. Oh well.
		t.Fatal(err)
	}

	defer wg.Wait()
	defer clientConn.Close()

	const data = "data"
	r := bufio.NewReader(strings.NewReader(data))
	n, err := io.Copy(clientConn, r)
	if err != nil {
		t.Fatal(err)
	}

  </mime-type>
  <mime-type type="application/vnd.cab-jscript"/>
  <mime-type type="application/vnd.canon-cpdl"/>
  <mime-type type="application/vnd.canon-lips"/>
  <mime-type type="application/vnd.cendio.thinlinc.clientconf"/>
  <mime-type type="application/vnd.chemdraw+xml">
    <glob pattern="*.cdxml"/>
  </mime-type>
  <mime-type type="application/vnd.chipnuts.karaoke-mmd">
    <glob pattern="*.mmd"/>
  </mime-type>