Create test_basic.py with a dummy test

Add a basic test to ensure pytest collects tests.

Author: Py-Cipherer

test_basic.py

@@ -0,0 +1,8 @@
+# test_basic.py
+
+def test_environment_setup():
+    """
+    A simple dummy test to ensure pytest collects at least one test
+    and prevents exit code 5 in CI/CD pipelines.
+    """
+    assert True