FATES PRT2 test failing on izumi_nag

### Brief summary of bug

This fates test has been failing on Izumi for a while now...

ERS_D_Ld30.f45_f45_mg37.I2000Clm50FatesCruRsGs.izumi_nag.clm-FatesColdPRT2

### General bug information

**CTSM version you are using:** ctsm5.3.045-187-gbc3d04ff4

**Does this bug cause significantly incorrect results in the model's science?** No

**Configurations affected:** Fates with fates_parteh_mode = 2

### Details of bug

It's failing with a wallclock limit

I'm trying with a longer wallclock limit

I didn't find a case where it passed back to ctsm5.2.029