@Test
public void testGetExtensionAdditionalDetailsWhenNotPresent() {

    final ExtensionAdditionalDetailsEntity entity = metadataService.getExtensionAdditionalDetails("eb1-v1", "org.apache.nifi.ExampleProcessor");
    assertNotNull(entity);
    assertEquals("e1", entity.getExtensionId());
    assertFalse(entity.getAdditionalDetails().isPresent());
}