Change tests setup

Author: YevgeniyShunevych

azure-pipelines.yml

@@ -44,8 +44,6 @@ jobs:
       command: build
       projects: '**/*.sln'
       arguments: -c $(buildConfiguration) -p:RunCodeAnalysis=false
-  - script: sudo npm install -g html-validate
-    displayName: Install html-validate NPM package
   - task: DotNetCoreCLI@2
     displayName: Run tests
     timeoutInMinutes: 30

test/Atata.Cli.HtmlValidate.IntegrationTests/SetUpFixture.cs

@@ -1,4 +1,5 @@
-using Atata.Cli.Npm;
+using System.Runtime.InteropServices;
+using Atata.Cli.Npm;
 using NUnit.Framework;
 
 namespace Atata.Cli.HtmlValidate.IntegrationTests
@@ -7,10 +8,12 @@ namespace Atata.Cli.HtmlValidate.IntegrationTests
     public class SetUpFixture
     {
         [OneTimeSetUp]
-        public void GlobalSetUp()
-        {
+        public void GlobalSetUp() =>
             new NpmCli()
+                .WithCliCommandFactory(OSDependentShellCliCommandFactory
+                    .UseCmdForWindows()
+                    .UseForOS(OSPlatform.OSX, new ShShellCliCommandFactory())
+                    .UseForOtherOS(new SudoShellCliCommandFactory()))
                 .InstallIfMissing(HtmlValidateCli.Name, global: true);
-        }
     }
 }