Update train_a_generative_llm.py

Trigger an unconditional test of the generation functionality.

Author: david-thrower

train_a_generative_llm.py

@@ -715,7 +715,7 @@ def test_text(test_prompt: str, max_new_tokens: int, result_cutoff: float, trial
     test_text(
             test_prompt=sample,
             max_new_tokens=MAX_NEW_TOKENS,
-            result_cutoff=15,
+            result_cutoff=999,
             trial_id=trial_number,
             test_sample_number=counter,
             result_0=phase_i_a_result)