### Question:
MD5Filter implements ISOFilter, Configurable { public void setFields (int[] fields) { this.fields = fields; } MD5Filter(); void setConfiguration(Configuration cfg); void setFields(int[] fields); int[] getFields(ISOMsg m); ISOMsg filter(ISOChannel channel, ISOMsg m, LogEvent evt);  }### Answer:
@Test public void testSetFields() throws Throwable { int[] fields = new int[3]; MD5Filter mD5Filter = new MD5Filter(); mD5Filter.setFields(fields); assertSame(fields, mD5Filter.fields, "mD5Filter.fields"); }