Texas Election Code - ELEC § 127.094. Design of Test

(a) The test must be designed to determine whether the automatic tabulating equipment accurately counts ballots and otherwise functions properly.

(b) A group of test ballots shall be counted with the equipment using the program prepared for processing the ballots voted in the election. The test ballots must be printed on the same stock as the official ballots for the election.

(c) The group of test ballots must contain a predetermined number of valid votes for each candidate and for and against each proposition on the ballot for the election. The test group must also contain ballots with votes in excess of the allowable number and with other improper votes.

(d) The same test shall be administered each time the equipment is tested for the same election.

(e) The secretary of state may prescribe additional requirements for the test.