@Test
 public void shouldRoundDoubleDecimalValue() {
   double sizeInBytes = 2816;
   assertThat(converter.bytesToKiloBytes(sizeInBytes)).isEqualTo(2.75);
 }
 @Test
 public void shouldRoundMoreThanTwoDecimalValuesToTwoDecimalPlaces() {
   double sizeInBytes = 12333;
   assertThat(converter.bytesToKiloBytes(sizeInBytes)).isEqualTo(12.0439453125);
 }
 @Test
 public void shouldConvertBytesToKilobytes() {
   double sizeInBytes = 1024;
   assertThat(converter.bytesToKiloBytes(sizeInBytes)).isEqualTo(1);
 }