anchor.diff:                      var collection = new models.Collection( data );
                       collection = collection.zip( zipWith );
   
  -                    expect( collection.toArray() ).toBe( expected );
  +                    expect( collection.get() ).toBe( expected );
                   } );
   
                   it( "can accept a projection function to influence the return result", function() {
  
positive.code: 
                      var collection = new models.Collection( data );
                      collection = collection.unique( "label" );
                      expect( collection.sort( "label" ).toArray() ).toBe( expected );
                  } );
  
                  it( "can return unique items based on the return value of a closure", function() {
  
negative.code:                     var collection = new models.Collection( data );
                      collection = collection.merge( dataToAdd );
  
                      expect( collection.get() ).toBe( expected );
                  } );
  
                  it( "can merge in another collection", function() {
  