every { txTemplate.execute(any<TxCallback<Any?>>()) } answers {
  (firstArg() as TxCallback<Any?>).doInTransaction(TxStatus())
}

whenever(txTemplate.execute(any<TxCallback<JournalEntry>>())).thenAnswer {
  (it.arguments[0] as TxCallback<*>).doInTransaction(TxStatus())
}

every { generator.generateReceiptIds(any(), any()) } returns idList

whenever(generator.generateReceiptIds(any(), any())).thenReturn(idList)