Control method for test system, control method for smear preparation device, test system, and smear preparation device

A test system comprising:

• a smear preparation unit configured to prepare a plurality of smears and sequentially store, in a storing container capable of storing therein a plurality of the smears, the plurality of smears having been prepared;
• a container transport unit configured to transport the storing container sent out from the smear preparation unit;
• a smear imaging unit configured to image the smears transported together with the storing container from the container transport unit;
• and
• a controller programmed to perform control to transport, when information about a standby situation for imaging processing by the smear imaging unit satisfies a predetermined condition, the storing container that stores therein the smears to the smear imaging unit regardless of the number of the smears stored in the storing container.