System.err.println("Returned: " + mri.test_Void_String());
System.err.println("Done.\n");
// test_Int_Void
System.err.println("Testing test_Int_Void...");
mri.test_Int_Void(1234567890);
System.err.println("Done.\n");
// test_Void_Int
System.err.println("Testing test_Void_Int...");
System.err.println("Returned: " + mri.test_Void_Int());