Changed to the include_unittests name

Author: VitjanZ

codeplain_REST_api.py

@@ -152,7 +152,7 @@ def render_functional_requirement(
         memory_files_content: dict,
         module_name: str,
         required_modules: dict,
-        using_unittests: bool,
+        include_unittests: bool,
         run_state: RunState,
     ) -> dict[str, str]:
         """
@@ -192,7 +192,7 @@ def render_functional_requirement(
             "memory_files_content": memory_files_content,
             "module_name": module_name,
             "required_modules": required_modules,
-            "using_unittests": using_unittests,
+            "include_unittests": include_unittests,
         }
 
         return self.post_request(endpoint_url, headers, payload, run_state)