[tests] Add global imports to the .NET unit tests to simplify code. (#15770)

tests/dotnet/UnitTests/AssetsTest.cs

@@ -1,11 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Text;
 using System.Text.Json;
-using NUnit.Framework;
-using Xamarin.Utils;
 
 #nullable enable
 

tests/dotnet/UnitTests/BundleStructureTest.cs

@@ -1,14 +1,5 @@
 #nullable enable
 
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-
-using NUnit.Framework;
-
-using Xamarin.Utils;
-
 namespace Xamarin.Tests {
 	[TestFixture]
 	public class BundleStructureTest : TestBaseClass {

tests/dotnet/UnitTests/GlobalImports.cs

@@ -0,0 +1,10 @@
+global using System;
+global using System.Collections.Generic;
+global using System.IO;
+global using System.Linq;
+global using System.Text;
+
+global using NUnit.Framework;
+
+global using Xamarin.MacDev;
+global using Xamarin.Utils;

tests/dotnet/UnitTests/IncrementalBuildTest.cs

@@ -1,15 +1,5 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-
 using Microsoft.Build.Logging.StructuredLogger;
 
-using NUnit.Framework;
-
-using Xamarin.Utils;
-using Xamarin.MacDev;
-
 namespace Xamarin.Tests {
 	public class IncrementalBuildTest : TestBaseClass {
 

tests/dotnet/UnitTests/PackTest.cs

@@ -1,14 +1,6 @@
 #nullable enable
 
-using System;
-using System.IO;
 using System.IO.Compression;
-using System.Linq;
-
-using NUnit.Framework;
-
-using Xamarin.Utils;
-using Xamarin.MacDev;
 
 namespace Xamarin.Tests {
 	public class PackTest : TestBaseClass {

tests/dotnet/UnitTests/PartialAppManifestTest.cs

@@ -1,10 +1,3 @@
-using System.Collections.Generic;
-
-using NUnit.Framework;
-
-using Xamarin.Utils;
-using Xamarin.MacDev;
-
 namespace Xamarin.Tests {
 	public class PartialAppManifestTest : TestBaseClass {
 

tests/dotnet/UnitTests/PostBuildTest.cs

@@ -1,12 +1,3 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.IO;
-
-using NUnit.Framework;
-
-using Xamarin.Utils;
-
 using Microsoft.Build.Framework;
 using Microsoft.Build.Logging.StructuredLogger;
 using Mono.Cecil;

tests/dotnet/UnitTests/ProjectTest.cs

@@ -1,18 +1,9 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
 using System.Runtime.InteropServices;
-using System.Text;
 using System.Diagnostics;
 
 using Mono.Cecil;
 
-using NUnit.Framework;
-
-using Xamarin.Utils;
 using Xamarin.Tests;
-using Xamarin.MacDev;
 
 #nullable enable
 

tests/dotnet/UnitTests/PublishTrimmedTest.cs

@@ -1,10 +1,3 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using NUnit.Framework;
-
-using Xamarin.Utils;
-
 namespace Xamarin.Tests {
 	[TestFixture]
 	public class PublishTrimmedTest : TestBaseClass {

tests/dotnet/UnitTests/TemplateProjectTest.cs

@@ -1,14 +1,5 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.IO;
-using System.Text;
 using System.Threading.Tasks;
 
-using NUnit.Framework;
-
-using Xamarin.Utils;
-
 using Microsoft.Build.Framework;
 using Microsoft.Build.Logging.StructuredLogger;
 

tests/dotnet/UnitTests/TemplateTest.cs

@@ -1,14 +1,6 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
-using NUnit.Framework;
-
-using Xamarin.Utils;
-
 namespace Xamarin.Tests {
 	[TestFixture]
 	public class TemplateTest : TestBaseClass {

tests/dotnet/UnitTests/TestBaseClass.cs

@@ -1,19 +1,10 @@
 #nullable enable
 
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
 using System.Runtime.InteropServices;
-using System.Text;
 
 using Mono.Cecil;
 
-using NUnit.Framework;
-
-using Xamarin.Utils;
 using Xamarin.Tests;
-using Xamarin.MacDev;
 
 namespace Xamarin.Tests {
 	[TestFixture]