feat(netxlite): add QUICDialerLogger (#410)

Part of https://github.com/ooni/probe/issues/1505

internal/netxmocks/tlsconn_test.go

@@ -0,0 +1,34 @@
+package netxmocks
+
+import (
+	"crypto/tls"
+	"errors"
+	"reflect"
+	"testing"
+)
+
+func TestTLSConnConnectionState(t *testing.T) {
+	state := tls.ConnectionState{Version: tls.VersionTLS12}
+	c := &TLSConn{
+		MockConnectionState: func() tls.ConnectionState {
+			return state
+		},
+	}
+	out := c.ConnectionState()
+	if !reflect.DeepEqual(out, state) {
+		t.Fatal("not the result we expected")
+	}
+}
+
+func TestTLSConnHandshake(t *testing.T) {
+	expected := errors.New("mocked error")
+	c := &TLSConn{
+		MockHandshake: func() error {
+			return expected
+		},
+	}
+	err := c.Handshake()
+	if !errors.Is(err, expected) {
+		t.Fatal("not the error we expected", err)
+	}
+}