@Test
public void testFillAttribute() throws Exception {

	System.out.println("testFillAttribute()");
	when(session.getPerunBl().getAttributesManagerBl().getAttribute(any(PerunSession.class), any(Facility.class), anyString())).thenReturn(listOfShells);
	final Attribute result = classInstance.fillAttribute(session, new Resource(), new AttributeDefinition());
	assertEquals("fillAttribute has filled different shells than expected", listOfShells, result);
}