@Test
ublic void evaluateMissing() throws Exception {

FieldName name = FieldName.create("x");
ModelEvaluator<?> evaluator = createModelEvaluator(MissingPredictionTest.class);
ModelEvaluationContext context = evaluator.createEvaluationContext();
context.setArguments(Collections.emptyMap());
try {
	context.lookup(name);
	fail();
} catch(MissingValueException mve){
	// Ignored
}
assertEquals(FieldValues.MISSING_VALUE, context.evaluate(name));
assertEquals(Arrays.asList(FieldValues.MISSING_VALUE), context.evaluateAll(Arrays.asList(name)));
}