Error in ctsm_sci nofire tests

[ekluzek]

Brief summary of bug

The nofire testmod for the ctsm_sci tests fail with an error:

So the following tests fail:

SMS_Ld5.f09_g17.IHistClm50Sp.derecho_intel.clm-nofire
SMS_Ld5.f09_g17.IHistClm60Sp.derecho_intel.clm-nofire
SMS_Ld5.f19_g17.IHistClm50Sp.derecho_intel.clm-nofire
SMS_Ld5.f19_g17.IHistClm60Sp.derecho_intel.clm-nofire

General bug information

CTSM version you are using: ctsm5.3.0

Does this bug cause significantly incorrect results in the model's science? No
Configurations affected: tests using the nofire testmod

Details of bug

Important output or errors that show the problem

Output of preview_namelist

Create namelist for component clm
   Calling /glade/work/erik/ctsm_worktrees/answer_changes/cime_config/buildnml
NOTE: LND_TUNING_MODE is clm6_0_GSWP3v1 which is NOT tuned, but is based on clm5_0_GSWP3v1
ERROR: Command /glade/work/erik/ctsm_worktrees/answer_changes/bld/build-namelist failed rc=255
out=
err=ERROR : CLM build-namelist::CLMBuildNamelist::setup_cmdl_fire_light_res() : fire_method is being set while use_cn and use_fates are both false.

[samsrabin]

Adding the "science" tag because it does prevent certain specific experiments from being run.