fix(CI): adapt expected result in do_sample test

The test produces different results after some operations are being done
in a slightly different order.

text-generation-inference/tests/test_generator.py

@@ -109,7 +109,7 @@ def test_prefill(input_text, token_id, token_text, do_sample, batch_size, model_
         [
             "It was a bright cold day in April, and the clocks were striking thirteen.",
             20,
-            " We sat outside the house, drinking coffee, listening to the traffic. And then, suddenly, we",
+            " We sat outside the house, drinking coffee, listening to the orchestra playing through the window. We could",
             True,
         ],
     ],