Let's see what, if anything, is fixed by this

Author: grendello

src/Xamarin.Android.Build.Tasks/Tests/Xamarin.ProjectTools/Android/XamarinAndroidApplicationProject.cs

@@ -69,6 +69,12 @@ public XamarinAndroidApplicationProject (string debugConfigurationName = "Debug"
 			AndroidResources.Add (new AndroidItem.AndroidResource ("Resources\\values\\Strings.xml") { TextContent = () => StringsXml.Replace ("${PROJECT_NAME}", ProjectName) });
 
 			Sources.Add (new BuildItem.Source (() => "MainActivity" + Language.DefaultExtension) { TextContent = () => ProcessSourceTemplate (MainActivity ?? DefaultMainActivity) });
+
+			// This is a quick hack to get all the tests executing in the CoreCLR context to work only for the, currently limited,
+			// subset of ABIs supported by CoreCLR without having to modify each test individually. Eventually it shouldn't be necessary.
+			if (TargetRuntimeHelper.UseCoreCLR) {
+				this.SetRuntimeIdentifiers (TargetRuntimeHelper.CoreClrSupportedAbis);
+			}
 		}
 
 		// it is exposed as public because we may want to slightly modify this.

src/Xamarin.Android.Build.Tasks/Tests/Xamarin.ProjectTools/Utilities/TargetRuntimeHelper.cs

@@ -5,6 +5,7 @@ namespace Xamarin.ProjectTools;
 public class TargetRuntimeHelper
 {
 	static readonly bool useMonoRuntime;
+	static readonly string[] coreClrSupportedAbis = new []{ "arm64-v8a" };
 
 	static TargetRuntimeHelper ()
 	{
@@ -18,4 +19,5 @@ static TargetRuntimeHelper ()
 
 	public static bool UseMonoRuntime => useMonoRuntime;
 	public static bool UseCoreCLR => !useMonoRuntime;
-}
+	public static string[] CoreClrSupportedAbis => coreClrSupportedAbis;
+}