@Test
public void entriesSizeIsNotGreaterThanComparedSize() {

    final String key = DittoHeaderDefinition.CORRELATION_ID.getKey();
    final String value = KNOWN_CORRELATION_ID;
    final long comparisonSize = key.length() + value.length();
    final ImmutableDittoHeaders underTest = ImmutableDittoHeaders.of(Maps.newHashMap(key, value));
    assertThat(underTest.isEntriesSizeGreaterThan(comparisonSize)).isFalse();
}