public AccountServiceUnitTests()
        {
            _testUser    = InMemoryDataGenerator.TestUser;
            _context     = InMemoryDataGenerator.CreateAndInitializeInMemoryDatabaseContext(Guid.NewGuid().ToString(), _testUser, insertIngredientData: false);
            _userManager = UserManagerMock.MockUserManager <PantryPlannerUser>().Object;

            _signInManager = new SignInManager <PantryPlannerUser>(_userManager
                                                                   , new Mock <IHttpContextAccessor>().Object
                                                                   , new Mock <IUserClaimsPrincipalFactory <PantryPlannerUser> >().Object
                                                                   , new Mock <IOptions <IdentityOptions> >().Object
                                                                   , new Mock <ILogger <SignInManager <PantryPlannerUser> > >().Object
                                                                   , new Mock <IAuthenticationSchemeProvider>().Object);

            _service = new AccountService(_userManager, _signInManager, null);
        }