I think the phrase for this is 'modified limited hangout'

Tabak, the NIH principal deputy director, broke the news in a letter to Rep. James Comer, the House Oversight Committee’s top Republican. The “limited experiment” used humanized mice to test infection with bat coronaviruses; the modified virus did indeed sicken more of them than the unmodified one. But “EcoHealth failed to report this finding right away, as was required by the terms of the grant,” Tabak wrote, vowing to demand full disclosure from the grantee.

Laughably, Tabak also claims the 2018 experiments didn’t fit the definition of the US ban on funding gain-of-function work on potential pandemic-causers “because these bat coronaviruses had not been shown to infect humans.”
"Well, yes, we did do this, but we didn't to that!"  Oh, of course not.  And, despite how much and how long they've been lying, we can trust them.  Really, we can!