         let expected =  ["a" : 1, "e": 1, "i": 1, "o": 1, "u": 1 ]
         let results = ETL.transform(old)
         
-        XCTAssertEqualObjects(results, expected)
+        XCTAssertEqualDictionaries(results, expected)
     }
     
     func testMoreKeys() {

        let expected =  ["a" : 1, "e": 1, "d": 2, "g": 2 ]
        let results = ETL.transform(old)
        
        XCTAssertEqualObjects(results, expected)
    }
    
    func testFullDataSet() {

        
        let results = ETL.transform(old)
        
        XCTAssertEqualDictionaries(results, expected)
        
    }
    
