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A testing framework for the JVM

There is a newer version: 7.10.1

package org.testng;

import org.testng.collections.Lists;
import org.testng.collections.Maps;

import java.util.List;
import java.util.Map;

/**
 * A method interceptor that sorts its methods per instances (i.e. per class).
 */
class InstanceOrderingMethodInterceptor implements IMethodInterceptor {

  @Override
  public List intercept(List methods,
      ITestContext context)  {
    return groupMethodsByInstance(methods);
  }

  /**
   * The default method interceptor which sorts methods by instances (i.e. by class).
   */
  private List groupMethodsByInstance(List methods) {
    List