chore: add derpserver to wsproxy, add proxies to derpmap (#7311)

enterprise/coderd/coderdenttest/proxytest.go

@@ -14,6 +14,7 @@ import (
 
 	"github.com/moby/moby/pkg/namesgenerator"
 	"github.com/prometheus/client_golang/prometheus"
+	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
 	"cdr.dev/slog"
@@ -132,9 +133,15 @@ func NewWorkspaceProxy(t *testing.T, coderdAPI *coderd.API, owner *codersdk.Clie
 		DisablePathApps:   options.DisablePathApps,
 		// We need a new registry to not conflict with the coderd internal
 		// proxy metrics.
-		PrometheusRegistry: prometheus.NewRegistry(),
+		PrometheusRegistry:     prometheus.NewRegistry(),
+		DERPEnabled:            true,
+		DERPServerRelayAddress: accessURL.String(),
 	})
 	require.NoError(t, err)
+	t.Cleanup(func() {
+		err := wssrv.Close()
+		assert.NoError(t, err)
+	})
 
 	mutex.Lock()
 	handler = wssrv.Handler