Replace deprecated setup() and teardown()

Those were compatibility functions for porting from nose. They are now
deprecated and have been removed from pytest.

This will make all tests compatible with pytests 8.x.

Author: penguinpee

nibabel/streamlines/tests/test_streamlines.py

@@ -20,7 +20,7 @@
 DATA = {}
 
 
-def setup():
+def setup_module():
     global DATA
     DATA['empty_filenames'] = [pjoin(data_path, 'empty' + ext) for ext in FORMATS.keys()]
     DATA['simple_filenames'] = [pjoin(data_path, 'simple' + ext) for ext in FORMATS.keys()]

nibabel/tests/test_deprecated.py

@@ -14,12 +14,12 @@
 from nibabel.tests.test_deprecator import TestDeprecatorFunc as _TestDF
 
 
-def setup():
+def setup_module():
     # Hack nibabel version string
     pkg_info.cmp_pkg_version.__defaults__ = ('2.0',)
 
 
-def teardown():
+def teardown_module():
     # Hack nibabel version string back again
     pkg_info.cmp_pkg_version.__defaults__ = (pkg_info.__version__,)
 

nibabel/tests/test_dft.py

@@ -26,7 +26,7 @@
 data_dir = pjoin(dirname(__file__), 'data')
 
 
-def setUpModule():
+def setup_module():
     if os.name == 'nt':
         raise unittest.SkipTest('FUSE not available for windows, skipping dft tests')
     if not have_dicom: