Related Clues:

• Test period
• Practice in theatre etc
• Criminal court case
• Experiment — adversity
• Tribulation's partner
• -- and error
• Main event in 'The Crucible'
• Hearing noisy neighbour could be one
• Test run
• Event that may be both civil and contentious
• What a plea bargain obviates
• Ordeal that's terminable, oddly enough
• Threefold test of a French tenor
• Practice to catch sound in revolving laser
• Tense criminal liar in court