### Question:
OSUtils { public static int getPIDListColumnNo() { return Integer.parseInt(properties.getProperty(identifyOS() + ".processhelper.pid_list_pid_column_no")); }  static void init(); static String identifyOS(); static String getPIDListCommand(); static String getPIDKillCommand(); static int getPIDListColumnNo();  }### Answer:
@Test public void testGetPIDListColumnNo() throws Exception { assertEquals(2, OSUtils.getPIDListColumnNo()); }