         let actual = orderedDictionary
         let expected: OrderedDictionary<String, Int> = ["B": 2, "C": 3, "D": 4]
         
-        XCTAssertTrue(actual == expected)
+        XCTAssertEqual(actual, expected)
     }
     
     func testRemoveLastNonEmpty() {

        let actual = orderedDictionary
        let expected: OrderedDictionary<String, Int> = ["A": 1, "B": 2, "C": 3]
        
        XCTAssertTrue(actual == expected)
    }
    
    func testRemoveFirstNonEmpty() {

        let actual = orderedDictionary
        let expected: OrderedDictionary<String, Int> = ["A": 1, "B": 2, "C": 3]
        
        XCTAssertEqual(actual, expected)
    }
    
    // ======================================================= //
