### Question:
CrontabCommandClassNameElement { @Override public String toString() { return commandClassName == null ? "" : this.commandClassName.trim(); } CrontabCommandClassNameElement(String commandClassName); @Override String toString(); @Override boolean equals(Object obj);  }### Answer:
@Test public void toString_A$() throws Exception { String commandClassName = null; CrontabCommandClassNameElement target = new CrontabCommandClassNameElement(commandClassName); String actual = target.toString(); assertNotNull(actual); }