Revert website change

Author: HaoK

src/Identity/testassets/Identity.DefaultUI.WebSite/StartupBase.cs

@@ -40,11 +40,11 @@ public virtual void ConfigureServices(IServiceCollection services)
             services.AddDbContext<TContext>(options =>
                 options
                     .ConfigureWarnings(b => b.Log(CoreEventId.ManyServiceProvidersCreatedWarning))
-                    .UseSqlServer(
-                        Configuration.GetConnectionString("DefaultConnection"),
-                        sqlOptions => sqlOptions.MigrationsAssembly("Identity.DefaultUI.WebSite")
-                    ));
-            //.UseSqlite("DataSource=:memory:"));
+                    //.UseSqlServer(
+                    //    Configuration.GetConnectionString("DefaultConnection"),
+                    //    sqlOptions => sqlOptions.MigrationsAssembly("Identity.DefaultUI.WebSite")
+                    //));
+                    .UseSqlite("DataSource=:memory:"));
 
             services.AddDefaultIdentity<TUser>()
                 .AddRoles<IdentityRole>()