@Test
public void testIsExtensionAttribute() throws Exception {

    lda.isExtensionAttribute(NonLegacy.class, "blah", NonLegacy.class);
    verify(kradLegacyDataAdapter).isExtensionAttribute(eq(NonLegacy.class), eq("blah"), eq(NonLegacy.class));
    verifyZeroInteractions(knsLegacyDataAdapter);
}