anchor.diff:  
                       var collection = new models.Collection( data );
   
  -                    expect( collection.pluck( [ "value", "importance" ] ).toArray() ).toBe( expected );
  +                    expect( collection.pluck( [ "value", "importance" ] ).get() ).toBe( expected );
                   } );
               } );
   
  
positive.code:                     collection = collection.unique( function( row ) {
                          return row.label;
                      } );
                      expect( collection.sort( "label" ).toArray() ).toBe( expected );
                  } );
              } );
  
  
negative.code: 
                      var collection = new models.Collection( data );
  
                      expect( collection.pluck( "value" ).get() ).toBe( expected );
                  } );
  
                  it( "can pluck a list of values from a collection", function() {
  