protected bool HasUser(string firstName, string lastName)
 {
     using (var context = new CodeFirstTestDbContext())
     {
         return
             (context.Users.Any(
                  user =>
                  user.FirstName == firstName && user.LastName == lastName));
     }
 }
 protected bool HasRole(string roleName)
 {
     using (var context = new CodeFirstTestDbContext())
     {
         return
             (context.Roles.Any(
                  role =>
                  role.Name == roleName));
     }
 }
        public void SetUpBase()
        {
            using (var context = new TestDbEntities())
            {
                context.Transactions.RemoveRange(context.Transactions.ToList());
                context.Accounts.RemoveRange(context.Accounts.ToList());
                context.SaveChanges();
            }

            using (var context = new CodeFirstTestDbContext())
            {
                context.Users.RemoveRange(context.Users.ToList());
                context.Roles.RemoveRange(context.Roles.ToList());
                context.SaveChanges();
            }
        }