Test rotation slicing for all cameras

ctapipe/instrument/tests/test_camera.py

@@ -6,8 +6,6 @@
     _get_min_pixel_seperation,
 )
 import pytest
-from ctapipe.io.eventsourcefactory import EventSourceFactory
-from ctapipe.utils import get_dataset_path
 
 cam_ids = CameraGeometry.get_known_camera_names()
 
@@ -154,17 +152,14 @@ def test_slicing():
     assert len(sliced2.pix_x) == 5
 
 
-def test_slicing_rotation():
-    event_source = EventSourceFactory.produce(
-        input_url=get_dataset_path('gamma_test.simtel.gz'),
-        product='HESSIOEventSource',
-    )
-    e = next(iter(event_source))
-    geom = e.inst.subarray.tel[1].camera
+@pytest.mark.parametrize("cam_id", cam_ids)
+def test_slicing_rotation(cam_id):
+    cam = CameraGeometry.from_name(cam_id)
+    cam.rotate('25d')
 
-    sliced1 = geom[5:10]
+    sliced1 = cam[5:10]
 
-    assert sliced1.pix_x[0] == geom.pix_x[5]
+    assert sliced1.pix_x[0] == cam.pix_x[5]
 
 
 def test_border_pixels():