### Question:
StringUniqueKeyFormatter extends BaseUniqueKeyFormatter implements UniqueKeyFormatter { @Override public String formatKeyValue(KeyValue keyValue) { return hyphenEscapingFormatter.formatKeyValue(keyValue); }  @Override String formatKeyValue(KeyValue keyValue); @Override KeyValue unformatKeyValue(String keyValueString);  }### Answer:
@Test public void testFormatKeyValue_SimpleString() { assertEquals( "row-column-qualifier", createFormatter().formatKeyValue( new KeyValue(Bytes.toBytes("row"), Bytes.toBytes("column"), Bytes.toBytes("qualifier")))); }