### Question:
ServiceMap { @VisibleForTesting String getToString( String key, T item ) { return new MapItem<T>( key, item ).toString(); }  T getItem( String key ); void itemAdded( T item, @SuppressWarnings( "rawtypes" ) Map config ); void itemRemoved( T item, @SuppressWarnings( "rawtypes" ) Map config ); static final String SERVICE_KEY_PROPERTY; }### Answer:
@Test public void testGetToString() { assertEquals( "(" + KEY1 + ") " + VALUE1, serviceMap.getToString( KEY1, VALUE1 ) ); }