JUDGMENT OF THE COURT OF FIRST INSTANCE of 17 December 1997 in Case T-159/95: Luigia Dricot and Others v. Commission of the European Communities (Officials - Internal competition for advancement from Category C to Category B - Decision of the Board failing candidates at the oral test - Consistency between complaint and application - Principle of equal treatment for men and women - Principle of non-discrimination - Scope of the obligation to state reasons - Assessment of the Board)