Steps to reproduce:

- create new UMLProject --> add Diagram
- open Diagramopen Modeling Palette --> open Modeling Palette
- choose element 'Design Pattern' and add it to diagram.
Open Context Menu and choose 'Promote Design Pattern ...'
Window with title "Promote Pattern to Design Center" appears

Results of Accessibility test, window with title "Promote Pattern to Design Center"

 Label with LABEL_FOR not set :
   Class: javax.swing.JLabel {  Namespace: |  } 
   Class: javax.swing.JLabel {  Project: |  } 
 Components not reachable with tab traversal :
   Class: javax.swing.Box$Filler {  |  } 
   Class: javax.swing.JLabel {  Namespace: |  } 
   Class: javax.swing.JLabel {  Project: |  } 
   Class: javax.swing.JLayeredPane {  |  }