// Without filter, resource should not be closed
        verify(resource, never()).close();
    }

    @Test
    @DisplayName("Iterator with accepting filter")
    void iteratorWithAcceptingFilter() throws Exception {
        // Setup
        when(delegate.hasNext()).thenReturn(true, false);
        when(delegate.next()).thenReturn(fileEntry);
        when(filter.accept(resource)).thenReturn(true);