Add unit test for DebugCommands

Source/Engine/Tests/TestScripting.h

@@ -177,3 +177,24 @@ public:
         return str.Length();
     }
 };
+
+// Test debug commands via static class.
+API_CLASS(Static, Attributes="DebugCommand") class FLAXENGINE_API TestDebugCommand1
+{
+    DECLARE_SCRIPTING_TYPE_NO_SPAWN(TestDebugCommand1);
+
+    // Static variable to test.
+    API_FIELD() static bool Var;
+};
+
+// Test debug commands inside a class.
+API_CLASS() class FLAXENGINE_API TestDebugCommand2 : public ScriptingObject
+{
+    DECLARE_SCRIPTING_TYPE(TestDebugCommand2);
+
+    // Static variable to test.
+    API_FIELD(Attributes="DebugCommand") static float Var;
+
+    // Static method to test.
+    API_FUNCTION(Attributes="DebugCommand") static void Exec();
+};