GODT-1405: Integration test fix: Prevent unilateral update in FETCH when copying message by append.

test/imap_actions_messages_test.go

@@ -186,6 +186,10 @@ func imapClientsMoveMessageSeqOfUserFromToByOrederedOperations(sourceIMAPClient,
 	if account == nil {
 		return godog.ErrPending
 	}
+
+	// call NOOP to prevent unilateral updates in following FETCH
+	ctx.GetIMAPClient(sourceIMAPClient).Noop().AssertOK()
+
 	msgStr, err := extractMessageBodyFromImapResponse(ctx.GetIMAPClient(sourceIMAPClient).Fetch(messageSeq, "BODY.PEEK[]").AssertOK())
 	if err != nil {
 		return err

test/mocks/imap_client.go

@@ -253,6 +253,10 @@ func (c *IMAPClient) ExpungeUID(ids string) *IMAPResponse {
 	return c.SendCommand(fmt.Sprintf("UID EXPUNGE %s", ids))
 }
 
+func (c *IMAPClient) Noop() *IMAPResponse {
+	return c.SendCommand("NOOP")
+}
+
 // Extennsions
 // Extennsions: IDLE