[Fuzz] Add fuzz testing for Hosts (#37516)

* add hostsfile fuzztests templates code

* modify  typos of hostsfile

* add hosts file

* add hosts fuzz to pipeline

* modify varify depjson rule

* fuzz validIPv4

* update  .net7 to .net 8

* add valid6/validhosts tests on hosts

* catch all exception

* update onefuzzconfig.json to add 3 test cases

* add fuzz writeasync tests and fill exception

* add writeasync onefuzz config

* add dll of writeasync in job dependencies

* for testing az

* change file

* use mock filesystem in hosts tests projct

* fix spell erro

* fix spell erro and change notations

* update test

* fix space erro in code

* install python

* update

* test

* use powershell

* remove unused dll in oneconfig.json


* change download artifacts

* update

* test

* add

* test

* merge

* az

* change

* update

* test cli

* add debug

* test large

* fix

* use templete

* remove pdb file filter in job test project

* fix x64 python install

* for testing

* add

* fix

* use 3.11.1

* change for test

* revert some testing file

* update the file name for spelling check

* use azure cli zip

* use aka.ms

* rename the zip file

* remove test artifactname

* add exception and job dependencies

* Remove the limitation of fuzzing only on hosts

* add fuzz readme

* remove unused changes and space

* fix x86 in sln and remove newtonsoft.json.dll in oneconfig.json

* readd wrapper.dll in oneconfig.json

* drop randomsplit when fuzz writeasync and remove unuseful package

---------

src/modules/Hosts/Hosts.FuzzTests/Hosts.FuzzTests.csproj

@@ -0,0 +1,51 @@
+<Project Sdk="Microsoft.NET.Sdk">
+	<PropertyGroup>
+		<TargetFramework>net8.0-windows10.0.19041.0</TargetFramework>
+		<LangVersion>latest</LangVersion>
+		<ImplicitUsings>enable</ImplicitUsings>
+	</PropertyGroup>
+	
+	<PropertyGroup>
+		<OutputPath>..\..\..\..\$(Platform)\$(Configuration)\tests\Hosts.FuzzTests\</OutputPath>
+	</PropertyGroup>
+	
+	<ItemGroup>
+	  <Compile Include="..\Hosts.Tests\Mocks\CustomMockFileSystem.cs" Link="CustomMockFileSystem.cs" />
+	  <Compile Include="..\Hosts.Tests\Mocks\MockFileSystemWatcher.cs" Link="MockFileSystemWatcher.cs" />
+	  <Compile Include="..\Hosts.Tests\Mocks\MockFileSystemWatcherFactory.cs" Link="MockFileSystemWatcherFactory.cs" />
+	  <Compile Include="..\HostsUILib\Consts.cs" Link="Consts.cs" />
+	  <Compile Include="..\HostsUILib\Helpers\ValidationHelper.cs" Link="ValidationHelper.cs" />
+	  <Compile Include="..\HostsUILib\Exceptions\NotRunningElevatedException.cs" Link="NotRunningElevatedException.cs" />
+	  <Compile Include="..\HostsUILib\Exceptions\ReadOnlyHostsException.cs" Link="ReadOnlyHostsException.cs" />
+	  <Compile Include="..\HostsUILib\Helpers\HostsService.cs" Link="HostsService.cs" />
+	  <Compile Include="..\HostsUILib\Helpers\IElevationHelper.cs" Link="IElevationHelper.cs" />
+	  <Compile Include="..\HostsUILib\Helpers\IHostsService.cs" Link="IHostsService.cs" />
+	  <Compile Include="..\HostsUILib\Helpers\ILogger.cs" Link="ILogger.cs" />
+	  <Compile Include="..\HostsUILib\Helpers\LoggerInstance.cs" Link="LoggerInstance.cs" />
+	  <Compile Include="..\HostsUILib\Models\AddressType.cs" Link="AddressType.cs" />
+	  <Compile Include="..\HostsUILib\Models\Entry.cs" Link="Entry.cs" />
+	  <Compile Include="..\HostsUILib\Models\HostsData.cs" Link="HostsData.cs" />
+	  <Compile Include="..\HostsUILib\Settings\HostsAdditionalLinesPosition.cs" Link="HostsAdditionalLinesPosition.cs" />
+	  <Compile Include="..\HostsUILib\Settings\HostsEncoding.cs" Link="HostsEncoding.cs" />
+	  <Compile Include="..\HostsUILib\Settings\IUserSettings.cs" Link="IUserSettings.cs" />
+	</ItemGroup>
+
+	<ItemGroup>
+		<PackageReference Include="Moq" />
+		<PackageReference Include="MSTest" />
+		<PackageReference Include="System.IO.Abstractions" />
+		<PackageReference Include="CommunityToolkit.Mvvm" />
+		<PackageReference Include="System.IO.Abstractions.TestingHelpers" />
+	</ItemGroup>
+
+	<ItemGroup>
+		<Using Include="Microsoft.VisualStudio.TestTools.UnitTesting" />
+	</ItemGroup>
+
+	<ItemGroup>
+		<Content Include="OneFuzzConfig.json">
+			<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+		</Content>
+	</ItemGroup>
+	
+</Project>