Fix issue where tests with Timeout annotation would fail due to missing reflection configuration.

Author: lazar-mitrovic

common/junit-platform-native/src/main/java/org/graalvm/junit/platform/config/jupiter/JupiterConfigProvider.java

@@ -99,6 +99,13 @@ public void onTestClassRegistered(Class<?> testClass, NativeImageConfiguration r
         AnnotationUtils.registerClassesFromAnnotationForReflection(testClass, registry, MethodSource.class, JupiterConfigProvider::handleMethodSource);
         AnnotationUtils.registerClassesFromAnnotationForReflection(testClass, registry, EnabledIf.class, JupiterConfigProvider::handleEnabledIf);
         AnnotationUtils.registerClassesFromAnnotationForReflection(testClass, registry, DisabledIf.class, JupiterConfigProvider::handleDisabledIf);
+
+        try {
+            Class <?> executor = Class.forName("org.junit.jupiter.engine.extension.TimeoutExtension$ExecutorResource");
+            registry.registerAllClassMembersForReflection(executor);
+        } catch (ClassNotFoundException e) {
+            debug("Failed to register class for reflection. Reason: %s", e);
+        }
     }
 
     private static Class<?>[] handleMethodSource(MethodSource annotation) {

common/junit-platform-native/src/test/java/org/graalvm/junit/jupiter/TimeoutTest.java

@@ -0,0 +1,13 @@
+package org.graalvm.junit.jupiter;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.Timeout;
+
+public class TimeoutTest {
+    @Test
+    @Timeout(100)
+    public void timeoutTest() {
+        Assertions.assertTrue(true, "Timeout test passing!");
+    }
+}