[Examples] Clean summarization and translation example testing files for T5 and Bart (#3514)

* fix conflicts

* add model size argument to summarization

* correct wrong import

* fix isort

* correct imports

* other isort make style

* make style

examples/summarization/bart/test_bart_examples.py

@@ -1,16 +1,13 @@
 import logging
-import os
 import sys
 import tempfile
 import unittest
 from pathlib import Path
 from unittest.mock import patch
 
-from .evaluate_cnn import _run_generate
+from .evaluate_cnn import run_generate
 
 
-output_file_name = "output_bart_sum.txt"
-
 articles = [" New York (CNN)When Liana Barrientos was 23 years old, she got married in Westchester County."]
 
 logging.basicConfig(level=logging.DEBUG)
@@ -26,8 +23,10 @@ class TestBartExamples(unittest.TestCase):
         with tmp.open("w") as f:
             f.write("\n".join(articles))
 
-        testargs = ["evaluate_cnn.py", str(tmp), output_file_name, "sshleifer/bart-tiny-random"]
+        output_file_name = Path(tempfile.gettempdir()) / "utest_output_bart_sum.hypo"
+
+        testargs = ["evaluate_cnn.py", str(tmp), str(output_file_name), "sshleifer/bart-tiny-random"]
+
         with patch.object(sys, "argv", testargs):
-            _run_generate()
+            run_generate()
             self.assertTrue(Path(output_file_name).exists())
-            os.remove(Path(output_file_name))