public void TranslateKeyToString_InvalidKey_ReturnsNull(Keys inputKey)
        {
            // Arrange
            var dut = new KeysLettersTranslator();

            // Act
            var result = dut.TranslateKeyToString(inputKey);

            // Assert
            result.Should().Be(null);
        }
        public void TranslateKeyToString_ValidKey_ReturnsCorrectLetter(Keys inputKey, string expectedLetter)
        {
            // Arrange
            var dut = new KeysLettersTranslator();

            // Act
            var result = dut.TranslateKeyToString(inputKey);

            // Assert
            result.Should().Be(expectedLetter);
        }