diff --git a/cime_config/testdefs/testlist_blom.xml b/cime_config/testdefs/testlist_blom.xml
index e1426bba..ba446e17 100644
--- a/cime_config/testdefs/testlist_blom.xml
+++ b/cime_config/testdefs/testlist_blom.xml
@@ -1,38 +1,59 @@
 <?xml version="1.0"?>
 <testlist version="2.0">
+  <!-- aux_blom_noresm : Declarations for BLOM/iHAMOCC tests -->
   <test name="SMS_D_Ld1" grid="T62_tn14" compset="NOINYOC">
     <machines>
       <machine name="betzy" compiler="intel" category="aux_blom_noresm"/>
     </machines>
+    <options>
+      <option name="wallclock">00:20:00</option>
+      <option name="comment">test debug mode with isopycnic layers, hamocc and core forcing</option>
+    </options>
   </test>
   <test name="ERS_Ld3" grid="T62_tn14" compset="NOINYOC">
     <machines>
       <machine name="betzy" compiler="intel" category="aux_blom_noresm"/>
     </machines>
+    <options>
+      <option name="wallclock">00:20:00</option>
+      <option name="comment">test restart with isopycnic layers, hamocc and core forcing</option>
+    </options>
   </test>
-  <test name="ERS_Ld3" grid="T62_tn14" compset="NOINYOC" testmods="blom/hamocc1">
-    <machines>
-      <machine name="betzy" compiler="intel" category="aux_blom_noresm"/>
-    </machines>
-  </test>
-  <test name="ERS_Ld3" grid="T62_tn14" compset="NOINYOC" testmods="blom/hamocc2">
+  <test name="ERR_Ld3" grid="TL319_tn14" compset="NOIIAJRAOC">
     <machines>
       <machine name="betzy" compiler="intel" category="aux_blom_noresm"/>
     </machines>
+    <options>
+      <option name="wallclock">00:20:00</option>
+      <option name="comment">test restart/resubmit with isopycnic coordinates, hamocc and JRA forcing</option>
+    </options>
   </test>
   <test name="ERP_Ld3" grid="T62_tn14" compset="NOINY">
     <machines>
       <machine name="betzy" compiler="intel" category="aux_blom_noresm"/>
     </machines>
+    <options>
+      <option name="wallclock">00:20:00</option>
+      <option name="comment">test bfb with changing processor count and openmp on</option>
+    </options>
   </test>
-  <test name="ERS_Ld3" grid="T62_tn14_wtn14nw" compset="NOINY_WW3">
+  <!-- Declarations for tests with different iHAMOCC settings: aux_hamocc_noresm -->
+  <test name="SMS_D_Ld1" grid="T62_tn14" compset="NOINYOC" testmods="hamocc/hamocc1">
     <machines>
-      <machine name="betzy" compiler="intel" category="aux_blom_noresm"/>
+      <machine name="betzy" compiler="intel" category="aux_hamocc_noresm"/>
     </machines>
+    <options>
+      <option name="wallclock">00:20:00</option>
+      <option name="comment">test debug mode with CISO=TRUE</option>
+    </options>
   </test>
-  <test name="ERS_Ld3" grid="T62_tn14_wtn14nw" compset="NOINY_WW3" testmods="blom/wavice">
+  <test name="SMS_D_Ld1" grid="T62_tn14" compset="NOINYOC" testmods="hamocc/hamocc2">
     <machines>
-      <machine name="betzy" compiler="intel" category="aux_blom_noresm"/>
+      <machine name="betzy" compiler="intel" category="aux_hamocc_noresm"/>
     </machines>
+    <options>
+      <option name="wallclock">00:20:00</option>
+      <option name="comment">test debug mode with CISO=TRUE; SEDBYPASS=TRUE</option>
+    </options>
   </test>
 </testlist>
diff --git a/cime_config/testdefs/testmods_dirs/blom/hamocc1/shell_commands b/cime_config/testdefs/testmods_dirs/hamocc/hamocc1/shell_commands
similarity index 100%
rename from cime_config/testdefs/testmods_dirs/blom/hamocc1/shell_commands
rename to cime_config/testdefs/testmods_dirs/hamocc/hamocc1/shell_commands
diff --git a/cime_config/testdefs/testmods_dirs/blom/hamocc1/user_nl_blom b/cime_config/testdefs/testmods_dirs/hamocc/hamocc1/user_nl_blom
similarity index 100%
rename from cime_config/testdefs/testmods_dirs/blom/hamocc1/user_nl_blom
rename to cime_config/testdefs/testmods_dirs/hamocc/hamocc1/user_nl_blom
diff --git a/cime_config/testdefs/testmods_dirs/blom/hamocc2/shell_commands b/cime_config/testdefs/testmods_dirs/hamocc/hamocc2/shell_commands
similarity index 100%
rename from cime_config/testdefs/testmods_dirs/blom/hamocc2/shell_commands
rename to cime_config/testdefs/testmods_dirs/hamocc/hamocc2/shell_commands
diff --git a/cime_config/testdefs/testmods_dirs/blom/hamocc2/user_nl_blom b/cime_config/testdefs/testmods_dirs/hamocc/hamocc2/user_nl_blom
similarity index 100%
rename from cime_config/testdefs/testmods_dirs/blom/hamocc2/user_nl_blom
rename to cime_config/testdefs/testmods_dirs/hamocc/hamocc2/user_nl_blom