Roman Numeral Test TDD Kata on the SSaurel's Channel

RomanNumeralTest.java

public class RomanNumeralTest {
   private static RomanNumeral romanNumeral;

   @BeforeClass
   public static void setUpBeforeClass() {
      romanNumeral = new RomanNumeral();
   }

   @Test
   public void testIntToRoman_1_is_I() {
      assertThat(romanNumeral.intToRoman(1), is("I"));
   }
}