another izumi_nag fail

Author: adrifoster

cime_config/testdefs/ExpectedTestFails.xml

@@ -289,6 +289,14 @@
   </test>
 
   <!-- izumi nag failures -->
+
+  <test name="SMS_D.f10_f10_mg37.I1850Clm60BgcCrop.izumi_nag.clm-ciso_soil_matrixcn_only">
+    <phase name="RUN">
+      <status>FAIL</status>
+      <issue>#2861</issue>
+    </phase>
+  </test>
+  
   <test name="ERS_D_Ld5_Mmpi-serial.1x1_vancouverCAN.I1PtClm50SpRs.izumi_nag.clm-CLM1PTStartDate">
     <phase name="RUN">
       <status>FAIL</status>