public void ParameterArgumentNullCheck()
        {
            // Arrange
            var sut = new GetAddressesByPostalCodesHandler();

            // Act & Assert
            Assert.ThrowsAsync <ArgumentException>(() => sut.ExecuteAsync(null !));
        }
        public void InstantiateConstructor()
        {
            // Act
            var actual = new GetAddressesByPostalCodesHandler();

            // Assert
            Assert.NotNull(actual);
        }