Remove namespaces from json module's tests

test/cases/serialization/JsonTest.cpp

@@ -3,12 +3,14 @@
  * Company:         Lynar Studios
  * E-Mail:          webmaster@lynarstudios.com
  * Created:         2020-08-14
- * Changed:         2022-07-15
+ * Changed:         2022-11-09
  *
  * */
 
 #include <gtest/gtest.h>
-#include <ls_std/core/types/Types.hpp>
+#include <ls_std/ls_std_core.hpp>
+
+using namespace ls::std::core::type;
 
 namespace
 {
@@ -28,7 +30,7 @@ namespace
 
   TEST_F(JsonTest, simpleSerialization)
   {
-    ls::std::core::type::json jsonObject{};
+    json jsonObject{};
     jsonObject["value"] = 1989;
 
     ASSERT_STREQ(R"({"value":1989})", jsonObject.dump().c_str());