@Test
public void testIsExtensionAttribute_Legacy() throws Exception {

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