ViewComponent could not be found in Welcome_Page template test

[Xeevis]

Reproduction steps:

PS> dotnet tool install -g --version 0.21.0 Volo.Abp.Cli
PS> abp new Acme.BookStore
PS> dotnet test

[xUnit.net 00:00:10.01] Acme.BookStore.Pages.Index_Tests.Welcome_Page [FAIL]
X Acme.BookStore.Pages.Index_Tests.Welcome_Page [8s 859ms]
Error Message:
System.InvalidOperationException : A view component named 'Volo.Abp.AspNetCore.Mvc.UI.Components.LayoutHook.LayoutHookViewComponent' could not be found. A view component must be a public non-abstract class, not contain any generic parameters, and either be decorated with 'ViewComponentAttribute' or have a class name ending with the 'ViewComponent' suffix. A view component must not be decorated with 'NonViewComponentAttribute'.
Stack Trace:
at Microsoft.AspNetCore.Mvc.ViewComponents.DefaultViewComponentHelper.SelectComponent(Type componentType)
at Microsoft.AspNetCore.Mvc.ViewComponents.DefaultViewComponentHelper.InvokeAsync(Type componentType, Object arguments)
at Volo.Abp.AspNetCore.Mvc.UI.Widgets.AbpViewComponentHelper.InvokeAsync(Type componentType, Object arguments)
at AspNetCore._Themes_Basic_Layouts_Application.<>c__DisplayClass14_0.<b__0>d.MoveNext() in /Themes/Basic/Layouts/Application.cshtml:line 36

[maliming]

This seems to be related to this.

abp/framework/test/Volo.Abp.Http.Client.Tests/Volo/Abp/Http/AbpHttpClientTestModule.cs

Lines 27 to 30 in 654eeed

	//This is needed after ASP.NET Core 3.0 upgrade.
	context.Services.AddMvc()
	.PartManager.ApplicationParts
	.Add(new AssemblyPart(typeof(AbpAspNetCoreMvcModule).Assembly));

Missing ApplicationParts in unit tests.

Volo.Abp.AspNetCore.Mvc.UI
Volo.Abp.AspNetCore.Mvc.UI.Widgets
Volo.Abp.AspNetCore.Mvc.UI.Theme.Basic

@hikalkan What do you think?