}
protected void loadTestingDataWithCustomKey() {
prepareTestingData();
CustomKey3 customeKey1 = new CustomKey3(key1);
CustomKey3 customeKey2 = new CustomKey3(key2);
CustomKey3 customeKey3 = new CustomKey3(key3);
cache.put(customeKey1, person1);
// person2 is verified as number of matches in multiple tests,
// so verify duplicate insertion doesn't affect result counts:
cache.put(customeKey2, person2);