text: #include "202008.h"
  #include <gtest/gtest.h>
  
  namespace ChallengeTest
  {
    TEST(CHALLENGE, 202008_16_FindDuplicates)
    {
      Challenge instance;
      std::vector<int> inputs = {4, 3, 2, 7, 8, 2, 3, 1};
      std::vector<int> result = {2, 3};
      EXPECT_EQ(result, instance.findDuplicates(inputs));
    }
  }