verify(treeConnection, times(2)).acquire(); // constructor + here
    }

    @Test
    @DisplayName("getRemoteHostName returns transport value and closes resources")
    void getRemoteHostNameHappyPath() {
        // Ensures remote host name is sourced from transport and resources are closed
        when(transport.getRemoteHostName()).thenReturn("remote.example");
        String name = handle.getRemoteHostName();