@Test
void testAccessingData() {

	LocalHeap heap = new LocalHeap(hdfFc, 680);
	ByteBuffer bb = heap.getDataBuffer();
	assertThat(bb.capacity(), is(equalTo(88)));
	// Test reading a name from the heap
	bb.position(8);
	assertThat(Utils.readUntilNull(bb), is("datasets_group"));
}