Remove unnecessary nullptr assignments in TearDown methods across various material model test files for cleaner code.

Author: aabrown100-git

tests/unitTests/material_model_tests/test_material_CANN_holzapfel_ogden.cpp

@@ -130,9 +130,7 @@ class HolzapfelOgdenCompareTest : public MaterialTestFixture {
     void TearDown() override {
         // Clean up the test objects
         delete TestHO;
-        TestHO = nullptr;
         delete TestCANNHO;
-        TestCANNHO = nullptr;
     }
 };
 

tests/unitTests/material_model_tests/test_material_CANN_neohookean.cpp

@@ -73,9 +73,7 @@ class NeoHookeanCompareTest : public MaterialTestFixture {
     void TearDown() override {
         // Clean up the test objects
         delete TestNH;
-        TestNH = nullptr;
         delete TestCANNNH;
-        TestCANNNH = nullptr;
     }
 };
 

tests/unitTests/material_model_tests/test_material_holzapfel_ogden.cpp

@@ -108,7 +108,6 @@ class HolzapfelOgdenTest : public :: MaterialTestFixture {
     void TearDown() override {
         // Clean up the test object
         delete TestHO;
-        TestHO = nullptr;
     }
 };
 

tests/unitTests/material_model_tests/test_material_holzapfel_ogden_MA.cpp

@@ -104,7 +104,6 @@ class HolzapfelOgdenMATest : public MaterialTestFixture {
     void TearDown() override {
         // Clean up the test object
         delete TestHO_ma;
-        TestHO_ma = nullptr;
     }
 };
 

tests/unitTests/material_model_tests/test_material_miehe_94_volumetric_penalty.cpp

@@ -63,7 +63,6 @@ class Miehe94VolumetricPenaltyTest : public MaterialTestFixture {
         void TearDown() override {
             // Clean up the test object
             delete TestM94;
-            TestM94 = nullptr;
         }
     };
 

tests/unitTests/material_model_tests/test_material_mooney_rivlin.cpp

@@ -64,7 +64,6 @@ class MooneyRivlinTest : public MaterialTestFixture {
     void TearDown() override {
         // Clean up the test object
         delete TestMR;
-        TestMR = nullptr;
     }
 };
 

tests/unitTests/material_model_tests/test_material_neohookean.cpp

@@ -63,7 +63,6 @@ class NeoHookeanTest : public MaterialTestFixture {
     void TearDown() override {
         // Clean up the test object
         delete TestNH;
-        TestNH = nullptr;
     }
 };
 

tests/unitTests/material_model_tests/test_material_quadratic_volumetric_penalty.cpp

@@ -62,7 +62,6 @@ class QuadraticVolumetricPenaltyTest : public MaterialTestFixture {
         void TearDown() override {
             // Clean up the test object
             delete TestQVP;
-            TestQVP = nullptr;
         }
     };
 

tests/unitTests/material_model_tests/test_material_simo_taylor_91_volumetric_penalty.cpp

@@ -64,7 +64,6 @@ class SimoTaylor91VolumetricPenaltyTest : public MaterialTestFixture {
         void TearDown() override {
             // Clean up the test object
             delete TestST91;
-            TestST91 = nullptr;
         }
     };