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