🚨🚨 Generate: standardize beam search behavior across frameworks (#21368)

tests/models/t5/test_modeling_flax_t5.py

@@ -1076,7 +1076,7 @@ class FlaxT5ModelIntegrationTests(unittest.TestCase):
         expected_summaries = [
             'prosecutor: "so far no videos were used in the crash investigation" two magazines claim to have found a'
             " cell phone video of the final seconds . \"one can hear cries of 'My God' in several languages,\" one"
-            " magazine says . all 150 on board were killed when germanwings flight 9525 crashed .",
+            " magazine says . all 150 on board were killed in the crash .",
             "the formal accession was marked by a ceremony at The Hague, in the Netherlands . the ICC opened a"
             " preliminary examination into the situation in the occupied Palestinian territory . as members of the"
             " court, Palestinians may be subject to counter-charges as well .",