src/test/java/test/listeners/MyMethodInterceptor.java

package test.listeners;

import org.testng.IMethodInstance;
import org.testng.IMethodInterceptor;
import org.testng.ITestContext;

import java.util.List;

public class MyMethodInterceptor implements IMethodInterceptor {

    private int count = 0;

    @Override
    public List<IMethodInstance> intercept(List<IMethodInstance> methods, ITestContext context) {
        count++;
        return methods;
    }

    public int getCount() {
        return count;
    }
}