[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/t5/evaluate_cnn.py

@@ -64,7 +64,7 @@ def run_generate():
     parser.add_argument(
         "model_size",
         type=str,
-        help="T5 model size, either 't5-small', 't5-base' or 't5-large'. Defaults to base.",
+        help="T5 model size, either 't5-small', 't5-base', 't5-large', 't5-3b', 't5-11b'. Defaults to 't5-base'.",
         default="t5-base",
     )
     parser.add_argument(

examples/summarization/t5/test_t5_examples.py

@@ -1,5 +1,4 @@
 import logging
-import os
 import sys
 import tempfile
 import unittest
@@ -26,10 +25,13 @@ class TestT5Examples(unittest.TestCase):
         tmp = Path(tempfile.gettempdir()) / "utest_generations_t5_sum.hypo"
         with tmp.open("w") as f:
             f.write("\n".join(articles))
-        testargs = ["evaluate_cnn.py", "t5-small", str(tmp), output_file_name, str(tmp), score_file_name]
+
+        output_file_name = Path(tempfile.gettempdir()) / "utest_output_t5_sum.hypo"
+        score_file_name = Path(tempfile.gettempdir()) / "utest_score_t5_sum.hypo"
+
+        testargs = ["evaluate_cnn.py", "t5-small", str(tmp), str(output_file_name), str(tmp), str(score_file_name)]
+
         with patch.object(sys, "argv", testargs):
             run_generate()
             self.assertTrue(Path(output_file_name).exists())
             self.assertTrue(Path(score_file_name).exists())
-            os.remove(Path(output_file_name))
-            os.remove(Path(score_file_name))