Update README_TESTS with logo and setup instructions

Added logo image and updated test environment section.

Author: PAXECT-Interface

README_TESTS.md

@@ -1,3 +1,9 @@
+<p align="center">
+  <img src="docs/ChatGPT%20Image%202%20okt%202025,%2022_22_22.png" alt="PAXECT logo" width="200"/>
+</p>
+
+
+
 [![Star this repo](https://img.shields.io/badge/⭐%20Star-this%20repo-orange)](../../stargazers)
 [![License](https://img.shields.io/badge/License-Apache_2.0-blue.svg)](./LICENSE)
 [![CI](https://img.shields.io/badge/CI-passing-brightgreen.svg)](../../actions)
@@ -192,6 +198,12 @@ All test utilities and scripts are released under the same license as the core e
 **Apache 2.0** — © 2025 PAXECT Systems. All rights reserved.
 
 
+---
+
+p align="center">
+  <img src="docs/ChatGPT%20Image%202%20okt%202025,%2022_22_22.png" alt="PAXECT logo" width="200"/>
+</p>
+
 ---
 
 ## 🧩 Enterprise Test Environment (Quick Setup)