Function work

tests/issues/GH1175.test.ts:190–205

()

            let trx1: Transaction | undefined;
            let trx2: Transaction | undefined;
            const work = async () => {
              await em.transactional(async em => {
                em1 = em;
                trx1 = em.getTransactionContext();
                username = 'nested1';
                const user = new User(username);
                em.persist(user);
                await em.transactional(async em => {
                  em2 = em;
                  trx2 = em.getTransactionContext();
                  username = 'nested2';
                  const user = new User(username);
                  em.persist(user);
                });
              });
            };
            await expect(work()).resolves.toBeUndefined();
            expect(beforeTransactionStart).toHaveBeenCalledTimes(2);
            expect(beforeTransactionStart).toHaveBeenCalledWith(