fix equals implementation for WrappedTestNGMethod

testng-core/src/main/java/org/testng/internal/WrappedTestNGMethod.java

@@ -366,7 +366,7 @@ public String getQualifiedName() {
 
   @Override
   public boolean equals(Object o) {
-    return testNGMethod.equals(o);
+    return o == this || (o instanceof ITestNGMethod && testNGMethod.equals(o));
   }
 
   @Override

testng-core/src/test/java/test/aftergroups/AfterGroupsBehaviorTest.java

@@ -2,17 +2,23 @@
 
 import static org.assertj.core.api.Assertions.assertThat;
 
+import java.util.ArrayList;
+import java.util.List;
+import org.testng.IMethodInstance;
 import org.testng.ITestResult;
 import org.testng.TestNG;
 import org.testng.annotations.DataProvider;
 import org.testng.annotations.Test;
+import org.testng.internal.MethodInstance;
+import org.testng.internal.WrappedTestNGMethod;
 import org.testng.xml.XmlSuite;
 import org.testng.xml.XmlSuite.FailurePolicy;
 import test.SimpleBaseTest;
 import test.aftergroups.issue165.TestclassSampleWithFailedMember;
 import test.aftergroups.issue165.TestclassSampleWithSkippedMember;
 import test.aftergroups.issue1880.LocalConfigListener;
 import test.aftergroups.issue1880.TestClassSample;
+import test.aftergroups.samples.AfterGroupsSample;
 import test.aftergroups.samples.MultipleGroupsSample;
 import test.beforegroups.issue2359.ListenerAdapter;
 
@@ -54,6 +60,26 @@ public void ensureAfterGroupsInvokedAfterAllTestsWhenMultipleGroupsDefined() {
             t -> assertThat(t.getEndMillis()).isLessThanOrEqualTo(afterGroup.getStartMillis()));
   }
 
+  @Test
+  public void ensureAfterGroupsInvokedWhenTestMethodIsWrappedWithWrappedTestNGMethod() {
+    TestNG tng = new TestNG();
+    tng.setTestClasses(new Class[] {AfterGroupsSample.class});
+
+    tng.setMethodInterceptor(
+        (methods, context) -> {
+          List<IMethodInstance> result = new ArrayList<>(methods);
+          result.add(new MethodInstance(new WrappedTestNGMethod(result.get(0).getMethod())));
+          return result;
+        });
+
+    ListenerAdapter adapter = new ListenerAdapter();
+    tng.addListener(adapter);
+
+    tng.run();
+
+    assertThat(adapter.getPassedConfiguration()).hasSize(1);
+  }
+
   private static void runTest(
       Class<?> clazz, String groups, boolean shouldContinue, String expected) {
     XmlSuite xmlsuite = createXmlSuite("sample_suite", "sample_test", clazz);

testng-core/src/test/java/test/aftergroups/samples/AfterGroupsSample.java

@@ -0,0 +1,13 @@
+package test.aftergroups.samples;
+
+import org.testng.annotations.AfterGroups;
+import org.testng.annotations.Test;
+
+public class AfterGroupsSample {
+
+  @Test(groups = "group-1")
+  public void someTest() {}
+
+  @AfterGroups(groups = "group-1")
+  public void afterGroupMethod() {}
+}