user/libnih: FTTFS: test hangs

Found on pmmx:

PASS: test_error
===================
All 17 tests passed
===================
make[2]: Leaving directory '/root/packages/user/libnih/src/libnih-1.0.3/nih'
make[1]: Leaving directory '/root/packages/user/libnih/src/libnih-1.0.3/nih'
Making check in nih-dbus
make[1]: Entering directory '/root/packages/user/libnih/src/libnih-1.0.3/nih-dbus'
make  test_dbus_error test_dbus_connection test_dbus_message test_dbus_object test_dbus_pending_data test_dbus_proxy test_dbus_util
make[2]: Entering directory '/root/packages/user/libnih/src/libnih-1.0.3/nih-dbus'
  CC     test_dbus_error.o
  CC     test_dbus_connection.o
  CC     test_dbus_message.o
  CC     test_dbus_object.o
  CC     test_dbus_pending_data.o
  CC     test_dbus_proxy.o
  CC     test_dbus_util.o
  CCLD   test_dbus_error
  CCLD   test_dbus_util
  CCLD   test_dbus_pending_data
  CCLD   test_dbus_message
  CCLD   test_dbus_connection
  CCLD   test_dbus_proxy
  CCLD   test_dbus_object
make[2]: Leaving directory '/root/packages/user/libnih/src/libnih-1.0.3/nih-dbus'
make  check-TESTS
make[2]: Entering directory '/root/packages/user/libnih/src/libnih-1.0.3/nih-dbus'
Testing nih_dbus_error_raise()
Testing nih_dbus_error_raise_printf()
PASS: test_dbus_error
Testing nih_dbus_connect()
...with listening server
[HANG]

This is running in a chroot(8) environment on the host:

Linux x86_64 5.15.76-0-lts #1-Alpine SMP Sun, 30 Oct 2022 08:24:20 +0000 x86_64 GNU/Linux