@Test(expected = ExecutionException.class)
public void testReplaceAsyncOperationThrowsExceptionWhenQuorumSizeNotMet() throws Exception {
Future<Boolean> foo = cache4.replaceAsync(1, "");
foo.get();
}
@Test
public void testReplaceAsyncOperationSuccessfulWhenQuorumSizeMet() throws Exception {
Future<Boolean> foo = cache1.replaceAsync(1, "");
foo.get();
}