Revert "Remove @require_x"

This reverts commit 8a7b5c45c7.

tests/test_cameras.py

@@ -25,11 +25,7 @@ import numpy as np
 import pytest
 
 from lerobot.common.robot_devices.utils import RobotDeviceAlreadyConnectedError, RobotDeviceNotConnectedError
-from tests.utils import (
-    TEST_CAMERA_TYPES,
-    make_camera,
-    mock_camera_or_skip_test_when_not_available,
-)
+from tests.utils import TEST_CAMERA_TYPES, make_camera, require_camera
 
 # Maximum absolute difference between two consecutive images recored by a camera.
 # This value differs with respect to the camera.
@@ -41,7 +37,8 @@ def compute_max_pixel_difference(first_image, second_image):
 
 
 @pytest.mark.parametrize("camera_type, mock", TEST_CAMERA_TYPES)
-def test_camera(monkeypatch, camera_type, mock):
+@require_camera
+def test_camera(request, camera_type, mock):
     """Test assumes that `camera.read()` returns the same image when called multiple times in a row.
     So the environment should not change (you shouldnt be in front of the camera) and the camera should not be moving.
 
@@ -51,8 +48,6 @@ def test_camera(monkeypatch, camera_type, mock):
     # TODO(rcadene): measure fps in nightly?
     # TODO(rcadene): test logs
 
-    mock_camera_or_skip_test_when_not_available(monkeypatch, camera_type, mock)
-
     # Test instantiating
     camera = make_camera(camera_type)
 
@@ -146,10 +141,9 @@ def test_camera(monkeypatch, camera_type, mock):
 
 
 @pytest.mark.parametrize("camera_type, mock", TEST_CAMERA_TYPES)
-def test_save_images_from_cameras(tmpdir, monkeypatch, camera_type, mock):
+@require_camera
+def test_save_images_from_cameras(tmpdir, request, camera_type, mock):
     # TODO(rcadene): refactor
-    mock_camera_or_skip_test_when_not_available(monkeypatch, camera_type, mock)
-
     if camera_type == "opencv":
         from lerobot.common.robot_devices.cameras.opencv import save_images_from_cameras
     elif camera_type == "intelrealsense":