// create & save test data
InheritanceClassnameTest inheritanceClassnameTest
= new InheritanceClassnameTest();
inheritanceClassnameTest.setPayload("0 parent");
inheritanceClassnameTest.save();
InheritanceClassnameTestChild1 inheritanceClassnameChild1
= new InheritanceClassnameTestChild1();
inheritanceClassnameChild1.setPayload("1 child");
inheritanceClassnameChild1.save();
InheritanceClassnameTestChild2 inheritanceClassnameChild2
= new InheritanceClassnameTestChild2();
inheritanceClassnameChild2.setPayload("2 child");
inheritanceClassnameChild2.save();