@Test(expected = IllegalArgumentException.class)
public void testConvertShouldThrowIllegalArgumentExceptionIfParameterTypesSizeGreaterThanOne() {

    // Given:
    Object data = 2L;
    Class<?>[] parameterTypes = new Class<?>[] { int.class, String.class, Long.class };
    // When:
    underTest.convert(data, false, parameterTypes);
    // Then: expect exception
}