rename and adapt the respective test

issue #485

tests/src/test_generic_material_loader.cpp → tests/src/test_generic_material_generator.cpp

@@ -29,7 +29,7 @@
 
 SCENARIO("The Generic Material Loader can create Generic materials.",
          "[phx][phx::GenericMaterialGenerator]") {
-  GIVEN("A plain Generic Material Loader") {
+  GIVEN("A plain Generic Material Generator") {
     WHEN("We load a red material") {
       auto materialResource = phx::ResourceUtils::LoadGenericMaterial(
           "generic_material", glm::vec3(1.f, 0.f, 0.f));