@Test
public void found_display_block_in_override()
{
Block block = mockBlock();
RequestPageCache cache = mockRequestPageCache();
BeanBlockOverrideSource overrideSource = mockBeanBlockOverrideSource();
String datatype = "MyData";
expect(overrideSource.hasDisplayBlock(datatype)).andReturn(true);
expect(overrideSource.getDisplayBlock(datatype)).andReturn(block);
replay();
BeanBlockSource source = new BeanBlockSourceImpl(cache, overrideSource, EMPTY_CONFIGURATION);