Move two tests to use dials-data (cctbx#810)

* Use test files for dials/dials#190 that
have been moved to dials-data

Author: dagewa

newsfragments/810.bugfix

@@ -0,0 +1 @@
+Convert a test to use data from ``dials-data`` rather than ``dials_regression``

tests/test_FormatCBFFull.py

@@ -1,21 +1,19 @@
 from __future__ import annotations
 
-import os
-
 from libtbx.test_utils import approx_equal
 
 from dxtbx.imageset import ImageSetFactory
 
 
-def test_multi_axis_goniometer(dials_regression):
-    data_dir = os.path.join(dials_regression, "image_examples", "dials-190")
+def test_multi_axis_goniometer(dials_data):
+    data_dir = dials_data("misc_regression", pathlib=True)
 
-    imgset = ImageSetFactory.new(os.path.join(data_dir, "whatev1_01_00001.cbf"))[0]
+    imgset = ImageSetFactory.new(str(data_dir / "dials-190_01_00001.cbf"))[0]
     gonio = imgset.get_goniometer(0)
     assert approx_equal(gonio.get_fixed_rotation(), (1, 0, 0, 0, 1, 0, 0, 0, 1))
     assert approx_equal(gonio.get_setting_rotation(), (1, 0, 0, 0, 1, 0, 0, 0, 1))
 
-    imgset = ImageSetFactory.new(os.path.join(data_dir, "whatev1_02_00001.cbf"))[0]
+    imgset = ImageSetFactory.new(str(data_dir / "dials-190_02_00001.cbf"))[0]
     gonio = imgset.get_goniometer(0)
     assert approx_equal(gonio.get_fixed_rotation(), (1, 0, 0, 0, 1, 0, 0, 0, 1))
     assert approx_equal(
@@ -24,7 +22,7 @@ def test_multi_axis_goniometer(dials_regression):
         eps=1e-4,
     )
 
-    imgset = ImageSetFactory.new(os.path.join(data_dir, "whatev1_03_00001.cbf"))[0]
+    imgset = ImageSetFactory.new(str(data_dir / "dials-190_03_00001.cbf"))[0]
     gonio = imgset.get_goniometer(0)
     assert approx_equal(gonio.get_fixed_rotation(), (1, 0, 0, 0, 1, 0, 0, 0, 1))
     assert approx_equal(

tests/test_image_readers.py

@@ -1,7 +1,5 @@
 from __future__ import annotations
 
-import os
-
 import pycbf
 
 from dxtbx.model.detector import DetectorFactory
@@ -16,10 +14,9 @@ def cbf_read_buffer(handle, contents, flags):
         return handle.read_buffer(contents, flags)
 
 
-def test_cbf_buffer(dials_regression):
-    filename = os.path.join(
-        dials_regression, "image_examples", "dials-190", "whatev1_01_00001.cbf"
-    )
+def test_cbf_buffer(dials_data):
+    data_dir = dials_data("misc_regression", pathlib=True)
+    filename = str(data_dir / "dials-190_01_00001.cbf")
     with open(filename, "rb") as f:
         contents = f.read()