void StringUtilsTest::testStringJoin() {
  vector<int> ints;
  ints.push_back(1);
  ints.push_back(2);
  ints.push_back(3);
  OLA_ASSERT_EQ(string("1,2,3"), StringJoin(",", ints));

  vector<string> strings;
  strings.push_back("one");
  strings.push_back("two");
  strings.push_back("three");
  OLA_ASSERT_EQ(string("one,two,three"), StringJoin(",", strings));
}