UCS test of rock

I have seen in various standards, the stress rate for UCS test of rock to be ranging from 0.5 to 1 MPa/s ? Can the test be done based on basis of strain rate (mm/min)? If so, what is the recommended strain rate for UCS test of rock?

Soil Mechanics / Geotechnical Rock Mechanics Research Geotechnical Investigations & In-Situ Testing Tunneling & Underground Construction Dams & Embankments