@Test
public void testRetrieveGlobalTransactionRequestGlobalTransactionNotPresent() {

    // Setup
    final Optional<RequestGlobalTransaction> orgt = Optional.empty();
    // Run the test
    final Optional<GlobalTransaction> result = businessGlobalTransactionServiceImplUnderTest.retrieveGlobalTransaction(orgt);
    // Verify the results
    assertEquals(Optional.empty(), result);
}