minor changes

test/entt/meta/meta.cpp

@@ -141,7 +141,7 @@ struct concrete_type: an_abstract_type, another_abstract_type {
     void h(char c) override { j = c; }
 };
 
-struct Meta: public ::testing::Test {
+struct Meta: ::testing::Test {
     static void SetUpTestCase() {
         entt::reflect<double>().conv<int>();
 

test/entt/signal/sigh.cpp

@@ -26,7 +26,7 @@ struct before_after {
     static inline int value{};
 };
 
-struct SigH: public ::testing::Test {
+struct SigH: ::testing::Test {
     void SetUp() override {
         before_after::value = 0;
     }