Adds a CIME drydep test

Author: singhbalwinder

cime_config/tests.py

@@ -725,6 +725,7 @@
             "SMS_D_Ln5.ne4pg2_oQU480.F2010-SCREAMv1-MPASSI.scream-mam4xx-optics",
             "SMS_D_Ln5.ne4pg2_oQU480.F2010-SCREAMv1-MPASSI.scream-mam4xx-aci",
             "SMS_D_Ln5.ne4pg2_oQU480.F2010-SCREAMv1-MPASSI.scream-mam4xx-wetscav",
+            "SMS_D_Ln5.ne4pg2_oQU480.F2010-SCREAMv1-MPASSI.scream-mam4xx-drydep",
         )
     },
 

components/eamxx/cime_config/testdefs/testmods_dirs/scream/mam4xx/drydep/shell_commands

@@ -1,12 +1,16 @@
 
-#Default scream has 10 tracers, MAM4xx adds another 31 making a total of 41 tracer
-#Set total number of tracers to 41. We are using append here as last entry wins while parsing xml options
-./xmlchange --append SCREAM_CMAKE_OPTIONS="SCREAM_NUM_TRACERS 41"
+#!/bin/sh
+#------------------------------------------------------
+# MAM4xx adds additionaltracers to the simulation
+# Increase number of tracers for MAM4xx simulations
+#------------------------------------------------------
 
-#modify initial condition file to get aerosol species ICs
-$CIMEROOT/../components/eamxx/scripts/atmchange initial_conditions::Filename='$DIN_LOC_ROOT/atm/scream/init/screami_mam4xx_ne4np4L72_c20240208.nc' -b
+$CIMEROOT/../components/eamxx/cime_config/testdefs/testmods_dirs/scream/mam4xx/update_eamxx_num_tracers.sh -b
 
-# Add drydep process
+#------------------------------------------------------
+#Update IC file and add drydep process
+#------------------------------------------------------
+$CIMEROOT/../components/eamxx/scripts/atmchange initial_conditions::Filename='$DIN_LOC_ROOT/atm/scream/init/screami_mam4xx_ne4np4L72_c20240208.nc' -b
 $CIMEROOT/../components/eamxx/scripts/atmchange physics::atm_procs_list="mac_aero_mic,rrtmgp,mam4_drydep" -b