Look at these sentences:
To express an action that takes place by the time / in the time another action has happened, you will use :
Don't get mixed up with sentences like "le temps qu'il fait" (lit. the weather [that] it does) or "le temps que ça prend" meaning the time (it takes).
Here the verb is in L'Indicatif, NOT Le Subjonctif, and it does not mean "by the time...":