From: Yaroslav Halchenko <debian@onerussian.com>
Subject: Disable Unicode filenames handling 
 Unicode+Python in a minimal debian env without locales
 configured and code insisting on non-ascii encodable filenames
 is the task for masocists.. thus  cheated for today
Bug-Debian: http://bugs.debian.org/
Bug-Ubuntu: https://launchpad.net/bugs/
Last-Update: 2018-06-25

--- a/pydicom/tests/test_gdcm_pixel_data.py
+++ b/pydicom/tests/test_gdcm_pixel_data.py
@@ -109,13 +109,13 @@ class TestGDCM_JPEG_LS_no_gdcm(object):
     def setup(self):
         if compat.in_py2:
             self.utf8_filename = os.path.join(
-                tempfile.gettempdir(), "ДИКОМ.dcm")
+                tempfile.gettempdir(), "DICOM.dcm")
             self.unicode_filename = self.utf8_filename.decode("utf8")
             shutil.copyfile(jpeg_ls_lossless_name.decode("utf8"),
                             self.unicode_filename)
         else:
             self.unicode_filename = os.path.join(
-                tempfile.gettempdir(), "ДИКОМ.dcm")
+                tempfile.gettempdir(), "DICOM.dcm")
             shutil.copyfile(jpeg_ls_lossless_name, self.unicode_filename)
         self.jpeg_ls_lossless = dcmread(self.unicode_filename)
         self.mr_small = dcmread(mr_name)
@@ -397,13 +397,13 @@ class TestsWithGDCM(object):
     @pytest.fixture(scope='class')
     def unicode_filename(self):
         if compat.in_py2:
-            utf8_filename = os.path.join(tempfile.gettempdir(), "ДИКОМ.dcm")
+            utf8_filename = os.path.join(tempfile.gettempdir(), "DICOM.dcm")
             unicode_filename = utf8_filename.decode("utf8")
             shutil.copyfile(jpeg_ls_lossless_name.decode("utf8"),
                             unicode_filename)
         else:
             unicode_filename = os.path.join(
-                tempfile.gettempdir(), "ДИКОМ.dcm")
+                tempfile.gettempdir(), "DICOM.dcm")
             shutil.copyfile(jpeg_ls_lossless_name, unicode_filename)
         yield unicode_filename
         os.remove(unicode_filename)
--- a/pydicom/tests/test_filereader.py
+++ b/pydicom/tests/test_filereader.py
@@ -114,7 +114,7 @@ class TestReader(object):
         assert empty_number_tags_ds.VectorGridData is None
 
     def test_UTF8_filename(self):
-        utf8_filename = os.path.join(tempfile.gettempdir(), "ДИКОМ.dcm")
+        utf8_filename = os.path.join(tempfile.gettempdir(), "DICOM.dcm")
         shutil.copyfile(rtdose_name, utf8_filename)
         ds = dcmread(utf8_filename)
         os.remove(utf8_filename)
