public ConceptRepositoryFromFileDatabaseTest()
        {
            _db                 = A.Fake <IFileDB>();
            _repository         = new ConceptRepositoryFromFileDatabase(conceptsContext); // _db);
            _conceptsInDatabase = new List <Concept>
            {
                new Concept {
                    Title = "TestTitle"
                },
                new Concept {
                    Title = "Another test"
                },
                new Concept {
                    Title = "I am a concept"
                },
            };

            //A.CallTo(() => _db.ReadFromFile()).Returns(_conceptsInDatabase);
        }
 public FileDBTest()
 {
     _db = new FileDB();
     _projectDirectory = System.Environment.CurrentDirectory;
     _filesDirectory   = Path.Join(_projectDirectory, "Files");
 }