diff --git a/test/unit_tests/cvode/CXX_serial/cv_test_resize_history.cpp b/test/unit_tests/cvode/CXX_serial/cv_test_resize_history.cpp
index f474cd583a..5450e78c41 100644
--- a/test/unit_tests/cvode/CXX_serial/cv_test_resize_history.cpp
+++ b/test/unit_tests/cvode/CXX_serial/cv_test_resize_history.cpp
@@ -299,63 +299,68 @@ int main(int argc, char* argv[])
 
     std::cout << "\n========== End Step " << i << " ==========\n";
 
-    std::cout << "\n========== Start Resize " << i << " ==========\n";
-    // Update saved history
-    if (i < 6)
+    if (resize == 1)
     {
-      hist_size++;
-    }
-    else
-    {
-      hist_size = 6;
-    }
+      std::cout << "\n========== Start Resize " << i << " ==========\n";
+      // Test 2: Copy and expand the state
 
-    for (int j = 5; j > 0; j--)
-    {
-      thist[j] = thist[j - 1];
-    }
-    thist[0] = tret;
+      // Update saved history
+      if (i < 6)
+      {
+        hist_size++;
+      }
+      else
+      {
+        hist_size = 6;
+      }
 
-    for (int j = 5; j > 0; j--)
-    {
-      N_VScale(ONE, yhist[j - 1], yhist[j]);
-    }
-    N_VScale(ONE, y, yhist[0]);
+      for (int j = 5; j > 0; j--)
+      {
+        thist[j] = thist[j - 1];
+      }
+      thist[0] = tret;
 
-    // Resize all vectors
-    for (int j = 0; j < 6; j++)
-    {
-      sunrealtype* old_data = N_VGetArrayPointer(yhist[j]);
+      for (int j = 5; j > 0; j--)
+      {
+        N_VScale(ONE, yhist[j - 1], yhist[j]);
+      }
+      N_VScale(ONE, y, yhist[0]);
 
-      N_Vector new_vec = N_VNew_Serial(i + 1, sunctx);
-      sunrealtype* new_data = N_VGetArrayPointer(new_vec);
-      for (int k = 0; k < i + 1; k++)
+      // Resize all vectors
+      for (int j = 0; j < 6; j++)
       {
-        new_data[k] = old_data[0];
+        sunrealtype* old_data = N_VGetArrayPointer(yhist[j]);
+
+        N_Vector new_vec = N_VNew_Serial(i + 1, sunctx);
+        sunrealtype* new_data = N_VGetArrayPointer(new_vec);
+        for (int k = 0; k < i + 1; k++)
+        {
+          new_data[k] = old_data[0];
+        }
+        N_VDestroy(yhist[j]);
+        yhist[j] = new_vec;
       }
-      N_VDestroy(yhist[j]);
-      yhist[j] = new_vec;
-    }
 
-    N_VDestroy(y);
-    N_VDestroy(ytmp);
-    y = N_VNew_Serial(i + 1, sunctx);
-    ytmp = N_VClone(y);
+      N_VDestroy(y);
+      N_VDestroy(ytmp);
+      y = N_VNew_Serial(i + 1, sunctx);
+      ytmp = N_VClone(y);
 
-    flag = CVodeResizeHistory(cvode_mem, thist, yhist, hist_size, resize_vec);
-    if (check_flag(flag, "CVodeResizeHistory")) return 1;
+      flag = CVodeResizeHistory(cvode_mem, thist, yhist, hist_size, resize_vec);
+      if (check_flag(flag, "CVodeResizeHistory")) return 1;
 
-    // "Resize" the nonlinear solver
-    SUNNonlinSolFree(NLS);
-    NLS = SUNNonlinSol_FixedPoint(y, 2, sunctx);
-    if (check_ptr(NLS, "SUNNonlinSol_FixedPoint")) return 1;
+      // "Resize" the nonlinear solver
+      SUNNonlinSolFree(NLS);
+      NLS = SUNNonlinSol_FixedPoint(y, 2, sunctx);
+      if (check_ptr(NLS, "SUNNonlinSol_FixedPoint")) return 1;
 
-    flag = CVodeSetNonlinearSolver(cvode_mem, NLS);
-    if (check_flag(flag, "CVodeSetNonlinearSolver")) return 1;
+      flag = CVodeSetNonlinearSolver(cvode_mem, NLS);
+      if (check_flag(flag, "CVodeSetNonlinearSolver")) return 1;
 
-    flag = CVodeSetMaxNonlinIters(cvode_mem, 10);
-    if (check_flag(flag, "CVodeSetMaxNonlinIters")) return 1;
-    std::cout << "\n========== End Resize " << i << " ==========\n";
+      flag = CVodeSetMaxNonlinIters(cvode_mem, 10);
+      if (check_flag(flag, "CVodeSetMaxNonlinIters")) return 1;
+      std::cout << "\n========== End Resize " << i << " ==========\n";
+    }
   }
   std::cout << std::endl;