remove pyrealsense2 dependancy and run test only on linux

unit-tests/requirements.txt

@@ -0,0 +1,14 @@
+fastapi==0.115.12
+uvicorn==0.34.0
+pydantic==2.10.6
+aiortc==1.11.0
+opencv-python==4.11.0.86
+numpy==2.2.4
+python-socketio==5.13.0
+pytest==8.3.5
+pytest-asyncio==0.26.0
+typeguard==4.4.4
+jinja2==3.1.6
+pyyaml==6.0.2
+lark==1.2.2
+httpx==0.28.1

unit-tests/wrappers/test-rest-api-wrapper.py

@@ -0,0 +1,39 @@
+#test:device D455
+#test:donotrun:!linux
+
+import pyrealsense2 as rs
+from rspy import log, repo, test
+from rspy.stopwatch import Stopwatch
+
+#############################################################################################
+#
+test.start( "Run test-rest-api-wrapper test" )
+import subprocess
+run_time_stopwatch = Stopwatch()
+run_time_threshold = 3
+p = subprocess.run( ["pytest", "../wrappers/rest-api/tests/test_api_service.py"],
+                stdout=subprocess.PIPE,
+                stderr=subprocess.STDOUT,
+                universal_newlines=True,
+                timeout=10,
+                check=False )  # don't fail on errors
+
+# Print failure information if subprocess failed
+if p.returncode != 0:
+    log.e(f"Subprocess failed with return code: {p.returncode}")
+    if p.stdout:
+        log.e("Subprocess output:")
+        log.e(p.stdout)
+
+test.check(p.returncode == 0) # verify success return code
+run_time_seconds = run_time_stopwatch.get_elapsed()
+if run_time_seconds > run_time_threshold:
+    log.e('Time elapsed too high!', run_time_seconds, ' > ', run_time_threshold)
+log.d("rs-enumerate-devices completed in:", run_time_seconds, "seconds")
+test.check(run_time_seconds < run_time_threshold)
+run_time_stopwatch.reset()
+
+test.finish()
+#
+#############################################################################################
+test.print_results_and_exit()