Test for form restore events (originally bug 476161)

### Text fields with changed text

### Text fields with unchanged text

### Textarea with changed text

preset value

### Textarea with unchanged text

preset value

### file field with changed value

### file field with unchanged value

### Select menu with changed selection

### Select menu with unchanged selection (change event still fires)

### Multiple Select menu with changed selection

### Select menu with unchanged selection

### checkbox with changed value

### checkbox with unchanged value

### radio with changed value

Radio 1 Radio 2 Radio 3

### radio with unchanged value

Radio 4 Radio 5 Radio 6

### Changed field IDs