[tests] Fix the don't link test on .NET. (dotnet#9501)

tests/linker/CommonDontLinkTest.cs

@@ -15,13 +15,20 @@ public class CommonDontLinkTest {
 		public void TypeDescriptorCanary ()
 		{
 			// this will fail is ReflectTypeDescriptionProvider.cs is modified
-			var rtdp = Type.GetType ("System.ComponentModel.ReflectTypeDescriptionProvider, System");
+			var rtdp = typeof (System.ComponentModel.BooleanConverter).Assembly.GetType ("System.ComponentModel.ReflectTypeDescriptionProvider");
 			Assert.NotNull (rtdp, "type");
 			var p = rtdp.GetProperty ("IntrinsicTypeConverters", BindingFlags.Static | BindingFlags.NonPublic);
 			Assert.NotNull (p, "property");
 			var ht = (Hashtable) p.GetGetMethod (true).Invoke (null, null);
 			Assert.NotNull (ht, "Hashtable");
-			Assert.That (ht.Count, Is.EqualTo (26), "Count");
+
+#if NET
+			var expectedCount = 28;
+#else
+			var expectedCount = 26;
+#endif
+			Assert.That (ht.Count, Is.EqualTo (expectedCount), "Count");
+
 			foreach (var item in ht.Values) {
 				var name = item.ToString ();
 				switch (name) {
@@ -50,6 +57,10 @@ public void TypeDescriptorCanary ()
 				case "System.ComponentModel.UInt32Converter":
 				case "System.ComponentModel.ByteConverter":
 				case "System.ComponentModel.EnumConverter":
+#if NET
+				case "System.ComponentModel.VersionConverter":
+				case "System.UriTypeConverter":
+#endif
 					break;
 				default:
 					Assert.Fail ($"Unknown type descriptor {name}");

tests/linker/ios/dont link/CalendarTest.cs

@@ -10,6 +10,9 @@ namespace DontLink.Calendars {
 	[TestFixture]
 	// we want the tests to be available because we use the linker
 	[Preserve (AllMembers = true)]
+#if NET
+	[Ignore ("No globalization data yet - https://github.com/xamarin/xamarin-macios/issues/8906")]
+#endif
 	public class CalendarTest {
 
 		// application must *NOT* be build with I18N.MidEast and I18N.Other (Thai)

tests/linker/ios/dont link/DontLinkRegressionTests.cs

@@ -58,6 +58,9 @@ public void RemovedAttributes ()
 		}
 
 		[Test]
+#if NET
+		[Ignore ("MulticastDelegate.BeginInvoke isn't supported in .NET (https://github.com/dotnet/runtime/issues/16312)")]
+#endif
 		public void Bug5354 ()
 		{
 			Action<string> testAction = (string s) => { s.ToString (); };

tests/xharness/Harness.cs

@@ -393,7 +393,7 @@ void AutoConfigureIOS ()
 			IOSTestProjects.Add (new iOSTestProject (Path.GetFullPath (Path.Combine (RootDirectory, "introspection", "iOS", "introspection-ios-dotnet.csproj"))) { Name = "introspection", IsDotNetProject = true, SkipiOSVariation = false, SkiptvOSVariation = false, SkipwatchOSVariation = true, SkipTodayExtensionVariation = true, SkipDeviceVariations = true, SkipiOS32Variation = true, });
 			IOSTestProjects.Add (new iOSTestProject (Path.GetFullPath (Path.Combine (RootDirectory, "monotouch-test", "dotnet", "iOS", "monotouch-test.csproj"))) { Name = "monotouch-test", IsDotNetProject = true, SkipiOSVariation = false, SkiptvOSVariation = true, SkipwatchOSVariation = true, SkipTodayExtensionVariation = true, SkipDeviceVariations = true, SkipiOS32Variation = true, Ignore = true, });
 			IOSTestProjects.Add (new iOSTestProject (Path.GetFullPath (Path.Combine (RootDirectory, "linker", "ios", "dont link", "dont link.csproj"))) { Configurations = new string [] { "Debug", "Release" } });
-			IOSTestProjects.Add (new iOSTestProject (Path.GetFullPath (Path.Combine (RootDirectory, "linker", "ios", "dont link", "dotnet", "iOS", "dont link.csproj"))) { Configurations = new string [] { "Debug", "Release" }, IsDotNetProject = true, SkipiOSVariation = false, SkiptvOSVariation = true, SkipwatchOSVariation = true, SkipTodayExtensionVariation = true, SkipDeviceVariations = true, SkipiOS32Variation = true, Ignore = true });
+			IOSTestProjects.Add (new iOSTestProject (Path.GetFullPath (Path.Combine (RootDirectory, "linker", "ios", "dont link", "dotnet", "iOS", "dont link.csproj"))) { Configurations = new string [] { "Debug", "Release" }, IsDotNetProject = true, SkipiOSVariation = false, SkiptvOSVariation = true, SkipwatchOSVariation = true, SkipTodayExtensionVariation = true, SkipDeviceVariations = true, SkipiOS32Variation = true });
 			IOSTestProjects.Add (new iOSTestProject (Path.GetFullPath (Path.Combine (RootDirectory, "linker", "ios", "link all", "link all.csproj"))) { Configurations = new string [] { "Debug", "Release" } });
 			IOSTestProjects.Add (new iOSTestProject (Path.GetFullPath (Path.Combine (RootDirectory, "linker", "ios", "link sdk", "link sdk.csproj"))) { Configurations = new string [] { "Debug", "Release" } });