diff --git a/test/data/consistency-cases.yaml b/test/data/consistency-cases.yaml
index c7eef21021..ee6e605f49 100644
--- a/test/data/consistency-cases.yaml
+++ b/test/data/consistency-cases.yaml
@@ -372,3 +372,16 @@ ions-from-neutral-molecule:
   states:
   - {T: 300, P: 1 atm, X: {K+: 0.1, Cl-: 0.1}}
   - {T: 500, P: 5 bar, X: {K+: 0.1, Cl-: 0.1}}
+
+HMW-electrolyte:
+  setup:
+    file: HMW_NaCl.yaml
+    known-failures:
+      cp_eq_dhdT: "Moderate discrepancies. See GitHub Issue #1324"
+      cp_eq_dsdT_const_p_times_T: "Moderate discrepancies. See GitHub Issue #1324"
+      dsdP_const_T_eq_minus_dV_dT_const_P: "Moderate discrepancies. See GitHub Issue #1324"
+      activity_coeffs: "Major discrepancies for all solute species. See GitHub Issue #1324"
+  states:
+  - {T: 300, P: 1 atm, molalities: {Na+: 9.4, Cl-: 9.4, H+: 1.05e-05, OH-: 1.0e-05}}
+  - {T: 330, P: 1 atm, molalities: {Na+: 9.4, Cl-: 9.4, H+: 1.05e-04, OH-: 1.0e-04}}
+  - {T: 330, P: 10 atm, molalities: {Na+: 5.0, Cl-: 4.8, H+: 1.0e-07, OH-: 0.2}}
diff --git a/test/thermo/consistency.cpp b/test/thermo/consistency.cpp
index 5d824a199a..419ca2510d 100644
--- a/test/thermo/consistency.cpp
+++ b/test/thermo/consistency.cpp
@@ -668,4 +668,10 @@ INSTANTIATE_TEST_SUITE_P(IonsFromNeutralMolecule, TestConsistency,
         testing::ValuesIn(getStates("ions-from-neutral-molecule")))
 );
 
+INSTANTIATE_TEST_SUITE_P(HMWSoln, TestConsistency,
+    testing::Combine(
+        testing::Values(getSetup("HMW-electrolyte")),
+        testing::ValuesIn(getStates("HMW-electrolyte")))
+);
+
 }