refactor(testing): put all test functions under the Testing namespace

Redcraft.Utility/Source/Private/Testing/TemplatesTesting.cpp

@@ -1,4 +1,5 @@
 #include "Testing/TemplatesTesting.h"
+
 #include "Miscellaneous/AssertionMacros.h"
 #include "Miscellaneous/Compare.h"
 #include "Templates/Templates.h"
@@ -11,6 +12,8 @@ NAMESPACE_REDCRAFT_BEGIN
 NAMESPACE_MODULE_BEGIN(Redcraft)
 NAMESPACE_MODULE_BEGIN(Utility)
 
+NAMESPACE_BEGIN(Testing)
+
 void TestTemplates()
 {
 	TestInvoke();
@@ -348,6 +351,8 @@ void TestMiscTemplates()
 	always_check(AddressOf(TestMiscTemplates) == &TestMiscTemplates);
 }
 
+NAMESPACE_END(Testing)
+
 NAMESPACE_MODULE_END(Utility)
 NAMESPACE_MODULE_END(Redcraft)
 NAMESPACE_REDCRAFT_END