@Override
    public Optional<String> scopeNamespace() {
        throw new UnsupportedOperationException();
    }
@Test
    void scopeNamespaceException() {
        assertThrows(UnsupportedOperationException.class, () -> {
            DMNContextFEELCtxWrapper ctx = new DMNContextFEELCtxWrapper(new EvaluationContextMock(Collections.emptyMap()));
            ctx.scopeNamespace();
        });
    }