Shorten the conversation tests for speed + fixing position overflows (#26960)
* Shorten the conversation tests for speed + fixing position overflows
* Put max_new_tokens back to 5
* Remove test skips
* Increase max_position_embeddings in blenderbot tests
* Add skips for blenderbot_small
* Correct TF test skip
* make fixup
* Reformat skips to use is_pipeline_test_to_skip
* Update tests/models/blenderbot_small/test_modeling_blenderbot_small.py
Co-authored-by: amyeroberts <22614925+amyeroberts@users.noreply.github.com>
* Update tests/models/blenderbot_small/test_modeling_flax_blenderbot_small.py
Co-authored-by: amyeroberts <22614925+amyeroberts@users.noreply.github.com>
* Update tests/models/blenderbot_small/test_modeling_tf_blenderbot_small.py
Co-authored-by: amyeroberts <22614925+amyeroberts@users.noreply.github.com>
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Co-authored-by: amyeroberts <22614925+amyeroberts@users.noreply.github.com>