src/test/java/chalmers/pimp/model/canvas/CanvasUpdateListenerCompositeTest.java
private ICanvasUpdateListener createListener() {
    return () -> {
      // do nothing when triggered
    };
  }
/**
   * Creates and returns a generic canvas update listener instance, to be used for testing.
   *
   * @return a generic canvas update listener instance, to be used for testing.
   */
Creates and returns a generic canvas update listener instance, to be used for testing.
@return a generic canvas update listener instance, to be used for testing.
Creates and returns a generic canvas update listener instance to be used for testing . @return a generic canvas update listener instance to be used for testing .
private ICanvasUpdateListener createListener() {
    return () -> {
    };
  }
private ICanvasUpdateListener createListener ( ) { return ( ) -> { } ; }
Creates and returns a generic canvas update listener instance, to be used for testing.
Creates and returns a generic canvas update listener instance to be used for testing .
// do nothing when triggered