Fixed NeoHooke test

cardmech/test/elasticity/materials/TestNeoHookeMaterial.hpp

@@ -32,10 +32,10 @@ TEST_P(NeoHookeMaterialTest, PenaltyInclusion) {
 
   Tensor F = 2 * One;
 
-  EXPECT_DOUBLE_EQ(lambda * mat.VolEnergy(det(F)), lambda * 0.5 * 49.0 - mu * log(8.0));
+  EXPECT_DOUBLE_EQ(lambda * mat.VolEnergy(F), lambda * 0.5 * 49.0 - mu * log(8.0));
 }
 
-INSTANTIATE_TEST_SUITE_P(GuccioneMaterial, NeoHookeMaterialTest, ValuesIn(neohookeTestParameters)
+INSTANTIATE_TEST_SUITE_P(NeoHookeMaterial, NeoHookeMaterialTest, ValuesIn(neohookeTestParameters)
 );
 
 #endif //CARDMECH_TESTNEOHOOKEMATERIAL_HPP