### Question:
ClientNull extends ClientLiteral<Object, ClientNull> { @Override public String toString() { return "NULL"; } ClientNull();  ClientNull(ClientNull literal); @Override void accept(ClientELVisitor visitor); @Override String toString(); @Override ClientNull setValue(Object value); @Override @XmlTransient Object getValue(); @Override ClientNull deepClone(); static final String EXPRESSION_ID; }### Answer:
@Test public void generatedStringBeginsWithClassName() { assertEquals(NULL_VALUE_STRING, instance.toString()); }