public void op_CopyTo_KeyStringDictionary()
        {
            var obj = new KeyStringDictionary
            {
                new KeyStringPair("key", "value")
            };
            var copy = new KeyStringDictionary();

            obj.CopyTo(copy);

            Assert.True(copy.ContainsKey("key"));
            Assert.False(copy.ContainsKey("example"));
        }