meta. prepare to test the factory and avoid future regressions

test/CMakeLists.txt

@@ -264,6 +264,7 @@ SETUP_BASIC_TEST(meta_ctor entt/meta/meta_ctor.cpp)
 SETUP_BASIC_TEST(meta_custom entt/meta/meta_custom.cpp)
 SETUP_BASIC_TEST(meta_data entt/meta/meta_data.cpp)
 SETUP_BASIC_TEST(meta_dtor entt/meta/meta_dtor.cpp)
+SETUP_BASIC_TEST(meta_factory entt/meta/meta_factory.cpp)
 SETUP_BASIC_TEST(meta_func entt/meta/meta_func.cpp)
 SETUP_BASIC_TEST(meta_handle entt/meta/meta_handle.cpp)
 SETUP_BASIC_TEST(meta_pointer entt/meta/meta_pointer.cpp)

test/entt/meta/BUILD.bazel

@@ -12,6 +12,7 @@ _TESTS = [
     "meta_custom",
     "meta_data",
     "meta_dtor",
+    "meta_factory",
     "meta_func",
     "meta_handle",
     "meta_pointer",

test/entt/meta/meta_factory.cpp

@@ -0,0 +1,6 @@
+#include <gtest/gtest.h>
+#include <entt/meta/factory.hpp>
+
+TEST(MetaFactory, TODO) {
+    // Nothing to see here yet :)
+}