Final answer:
To retest after a test failure, an applicant should consult their instructor or testing center, follow the necessary procedures, and prepare for the retake.
Step-by-step explanation:
To retest after a test failure, an applicant must follow certain steps. First, they should consult their instructor or testing center to understand the specific requirements and procedures for retesting. They may need to fill out an application or request form, provide necessary documentation, and pay any applicable fees. Once these steps are completed, the applicant can schedule a time to retake the test and prepare accordingly to improve their performance.