dates1904Expected :: Ssheet
dates1904Expected = [Sheet "Sheet1" (Map.fromList [(0, Map.fromList [(0, CellDate (fromGregorian 2014 10 15))]),
                                                   (1, Map.fromList [(0, CellDate (fromGregorian 2014 10 15))])
                                                  ])]
dates1904Expected :: Ssheet
dates1904Expected = [Sheet "Sheet1" (Map.fromList [(0, Map.fromList [(0, CellDate (fromGregorian 2014 10 15))]),
                                                   (1, Map.fromList [(0, CellDate (fromGregorian 2014 10 15))])
                                                  ])]
dates1904Expected = [Sheet "Sheet1" (Map.fromList [(0, Map.fromList [(0, CellDate (fromGregorian 2014 10 15))]),
                                                   (1, Map.fromList [(0, CellDate (fromGregorian 2014 10 15))])
                                                  ])]