Fixing login integration test (#332)

* Removing unecessary test

tests/IntegrationTests/LoginService.cs

@@ -1,56 +0,0 @@
-using Microsoft.EntityFrameworkCore;
-using Xunit;
-using Microsoft.Extensions.DependencyInjection;
-using Microsoft.eShopWeb.Infrastructure.Identity;
-using System;
-using Microsoft.AspNetCore.Identity;
-using System.Threading.Tasks;
-
-namespace Microsoft.eShopWeb.IntegrationTests.Repositories.OrderRepositoryTests
-{
-    public class LoginService
-    {
-        [Fact]
-        public async Task LogsInSampleUser()
-        {
-            var services = new ServiceCollection()
-                                .AddEntityFrameworkInMemoryDatabase();
-
-            services.AddDbContext<AppIdentityDbContext>(options =>
-            {
-                options.UseInMemoryDatabase("Identity");
-            });
-            var serviceProvider = new ServiceCollection()
-                .BuildServiceProvider();
-
-            // Create a scope to obtain a reference to the database
-            // context (AppIdentityDbContext).
-            using (var scope = serviceProvider.CreateScope())
-            {
-                var scopedServices = scope.ServiceProvider;
-
-                try
-                {
-                    // seed sample user data
-                    var userManager = scopedServices.GetRequiredService<UserManager<ApplicationUser>>();
-
-                    AppIdentityDbContextSeed.SeedAsync(userManager).Wait();
-
-                    var signInManager = scopedServices.GetRequiredService<SignInManager<ApplicationUser>>();
-
-                    var email = "demouser@microsoft.com";
-                    var password = "Pass@word1";
-
-                    var result = await signInManager.PasswordSignInAsync(email, password, false, lockoutOnFailure: false);
-
-                    Assert.True(result.Succeeded);
-
-                }
-                catch (Exception)
-                {
-                }
-            }
-
-        }
-    }
-}