### Question:
Calculate { public String echo(String name) { return "Echo, echo, echo : " + name; }  static void main(String[] args); String echo(String name);  }### Answer:
@Test public void whenTakeNameThenThreeEchoPlusName() { String input = "Denis Seleznev"; String expect = "Echo, echo, echo : Denis Seleznev"; Calculate calc = new Calculate(); String result = calc.echo(input); assertThat(result, is(expect)); }