A German test carrier before Graf Zeppelin

What changes if Germany builds a small test carrier before Graf Zeppelin?

Germany learns practical carrier operations earlier, while Britain accelerates or protects its own carrier force and treats German flight decks as an operational threat.

The proposed test ship is a modest, reliable conversion used to learn deck operations, aircraft handling, and catapult limitations before Graf Zeppelin. Its existence would also signal to Britain that Germany possessed a real carrier capability, encouraging continued construction of the Illustrious class and more cautious concentration of British carriers. If used in Norway, even a slow and limited ship could reshape deployments and provide lessons for smaller purpose-built German fleet carriers. Sailing with Scharnhorst and Gneisenau creates an operational dilemma because the capital ships may have to fight Renown long enough for the slower carrier to escape. British carriers searching for their German counterpart could also locate the battlecruisers earlier and expose them to air attack.