[xharness] Add ARM64 variations for macOS/.NET using both MonoVM and CoreCLR. (#11516)

tests/xharness/Jenkins/TestData.cs

@@ -22,5 +22,6 @@ namespace Xharness.Jenkins {
 		public MonoNativeLinkMode MonoNativeLinkMode;
 		public IEnumerable<IDevice> Candidates;
 		public string XamMacArch;
+		public string RuntimeIdentifier;
 	}
 }

tests/xharness/Jenkins/TestVariationsFactory.cs

@@ -117,8 +117,12 @@ namespace Xharness.Jenkins {
 			case "x86":
 				switch (test.TestName) {
 				case "monotouch-test":
-					if (test.TestProject.IsDotNetProject)
-						yield return new TestData { Variation = "Debug (CoreCLR)", Debug = true, UseMonoRuntime = false, Ignored = true, };
+					if (test.TestProject.IsDotNetProject) {
+						var isDotNetReady = false;
+						yield return new TestData { Variation = "Debug (CoreCLR)", Debug = true, UseMonoRuntime = false, Ignored = !isDotNetReady || !jenkins.IncludeMac, };
+						yield return new TestData { Variation = "Debug (ARM64)", Debug = true, Profiling = false, Ignored = !isDotNetReady || !jenkins.IncludeMac || !mac_supports_arm64, RuntimeIdentifier = "osx-arm64", };
+						yield return new TestData { Variation = "Debug (CoreCLR, ARM64)", Debug = true, UseMonoRuntime = false, Profiling = false, Ignored = !isDotNetReady || !jenkins.IncludeMac || !mac_supports_arm64, RuntimeIdentifier = "osx-arm64", };
+					}
 					break;
 				case "xammac tests":
 					switch (test.ProjectConfiguration) {
@@ -166,6 +170,7 @@ namespace Xharness.Jenkins {
 					var candidates = test_data.Candidates;
 					var use_mono_runtime = test_data.UseMonoRuntime;
 					var xammac_arch = test_data.XamMacArch;
+					var runtime_identifer = test_data.RuntimeIdentifier;
 
 					if (task.TestProject.IsDotNetProject)
 						variation += " [dotnet]";
@@ -223,6 +228,8 @@ namespace Xharness.Jenkins {
 							clone.Xml.SetTopLevelPropertyGroupValue ("UseMonoRuntime", use_mono_runtime.Value ? "true" : "false");
 						if (!string.IsNullOrEmpty (xammac_arch))
 							clone.Xml.SetNode ("XamMacArch", xammac_arch, task.ProjectPlatform, configuration);
+						if (!string.IsNullOrEmpty (runtime_identifer))
+							clone.Xml.SetNode ("RuntimeIdentifier", runtime_identifer);
 						clone.Xml.Save (clone.Path);
 					});