     }
     
     func testReplaceAllSectionsRemovesAllPreviousOperations() {
-        
-        var changeSet = CollectionChangeSet()
         
         changeSet.insertSectionAtIndex(1)
         changeSet.insertSectionAtIndex(2)

    }
    
    func testUpdateSectionAtIndexReturnsIfThereIsResetOperation() {
        
        var changeSet = CollectionChangeSet()
        
        changeSet.replaceAllSections()
        changeSet.updateSectionAtIndex(2)

    
    func testReplaceItemsInSection() {
        
        changeSet.replaceItemsInSection(0)
        
        let operations = changeSet.operationsSetForSection(0)
        
        XCTAssertEqual(operations.contains(.Reset), true, "Should contain the reset operation")
    }
}
