The prosecutor replied that he would consent to the test since he was confident of Marie's guilt, but he felt there was no need to call on Orfila to do it. The president of the court ruled in favor of the prosecutor's suggestion. Therefore, in lieu of Orfila, two well-known apothecaries from Tulle, M. Dubois and his son, and a chemist from Limoges named Dupuytren, were assigned to conduct the tests. While they were performed, the trial proceeded at a snail's pace. When they finally entered the courtroom, everyone waited to see what they would say. The elder Dubois testified that despite using the Marsh test carefully, they failed to find any arsenic. Almost immediately, the courtroom was in an uproar as Marie felt vindicated.