@Test
public void testGetExtensionAttributeClass_Legacy() throws Exception {

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