public async Task <bool> DeleteAllDataForTestUserAsync(string testUserName) { var ret = false; var testUser = await Users.FirstOrDefaultAsync(u => u.Name == testUserName); if (testUser != null) { DailyUserCalories.RemoveRange(await DailyUserCalories.Where(duc => duc.UserId == testUser.Id).ToListAsync()); Meals.RemoveRange(await Meals.Where(m => m.UserId == testUser.Id).ToListAsync()); Users.Remove(testUser); await SaveChangesAsync(); ret = true; } return(ret); }