De-weaponized Ransomware Test?

Is anyone aware of a de-weaponized ransomware test from a reliable MSP that could be launched in a real environment to test for proper NDR configuration? Yes, I will not be fielding any direct messages for this lol. Just wondering if anyone's heard of something like this, because I'd love to take my vendor's word that the new AI based NDR I just put in place will stop a threat before it can spread, but I'd rather not just take …

aware configuration cybersecurity direct messages environment love messages msp ndr ransomware real test vendor word yes