The phrase "hardly tested" is correct and usable in written English.
It can be used to describe something that has been tested very little or not at all, often implying a lack of reliability or thoroughness.
Example: "The new software is hardly tested, so we should be cautious before implementing it in our systems."
Alternatives: "barely tested" or "sparsely tested."
Their authority was hardly tested, their brilliance on the ball illuminating the Olympic Park.
Félix Potvin was hardly tested in his first shutout of the season and 26th of his career.
But the Carolina defense was hardly tested, and in the second period, when the Hurricanes went on a power play, they played with five forwards on the ice.
Like Boeing, he said, Airbus will aggressively seek military contracts, waters that the company has hardly tested before now, to offset the plunge in civilian sales.
McGrady had microfracture surgery on his left knee last February and, until joining the Knicks in a Feb. 18 trade, had hardly tested it since then.
Serena Williams's suspect right ankle was hardly tested as she eased to a 6-2, 6-0 win over the Spanish teenager Garbine Muguruza in the second round of the Australian Open.
The story-ballets he has created for BRB – Hobson's Choice, Arthur, Cyrano – are a solid body of work but hardly test the boundaries of the artform.
It would have been a success if Liverpool had claimed a trophy but an exit from a Champions League group that was hardly testing apart from Real Madrid - Basel and Ludogorets are hardly superpowers - and semi-final failures against Chelsea and Aston Villa in the two domestic cup semi-finals cannot be dressed up as success.
Though the part hardly tests his range, Crowe is convincingly troubled, plumbing depths and possibly resurrecting his career.
Enrolled agents argue that the designation is of little meaning in the field of taxation because the examination that accountants must pass to become certified hardly tests tax knowledge, whereas the enrolled agents' exam tests nothing but tax knowledge.
Hardly the tuneup you want going into an enormous match-up, but the good news is that Canada will hardly be tested themselves against Switzerland (that's a guess), and that they'll head into the gold medal game both ready to let loose against each other.
