Liquid discharge test method and liquid discharge apparatus

A liquid discharge apparatus configured to discharge a liquid, comprising:

• a liquid storage tank;
• a liquid discharge unit configured to discharge the liquid;
• a first channel forming member extending from the liquid storage tank to include a first channel formed therein;
• a second channel forming member extending from the liquid discharge unit to include a second channel formed therein;
• and
• a connection unit having a first attachment section, a second attachment section, and a third attachment section and being configured to allow an interior space of the connection unit to communicate with an outside of the connection unit through the first attachment section to which the first channel forming member is attached, the second attachment section to which the second channel forming member is attached, and the third attachment section which is closed by a removable closing member,
• wherein the connection unit is configured to allow the first channel of the first channel forming member attached to the first attachment section to communicate with the second channel of the second channel forming member attached to the second attachment section through the interior space.