@Test
public void invokeParamsCantBeCompared() {

    FunctionTestUtil.assertResultError( startedByFunction.invoke(
            new RangeImpl( Range.RangeBoundary.CLOSED, "a", "f", Range.RangeBoundary.CLOSED ),
            new RangeImpl( Range.RangeBoundary.CLOSED,  1, 2, Range.RangeBoundary.CLOSED ) ), InvalidParametersEvent.class );
}