clean: reduce total diff

Author: CompRhys

test/optim/test_optimize.py

@@ -725,9 +725,8 @@ def test_optimize_acqf_successfully_restarts_on_opt_failure(self):
         message = (
             "Optimization failed in `gen_candidates_scipy` with the following "
             "warning(s):\n[OptimizationWarning('Optimization failed within "
-            "`scipy.optimize.minimize` with status 2 and message "
-            "ABNORMAL_TERMINATION_IN_LNSRCH.')]\nTrying again with a new set "
-            "of initial conditions."
+            "`scipy.optimize.minimize` with status 2 and message ABNORMAL_TERMINATION"
+            "_IN_LNSRCH.')]\nTrying again with a new set of initial conditions."
         )
         expected_warning_raised = any(
             issubclass(w.category, RuntimeWarning) and message in str(w.message)
@@ -792,9 +791,8 @@ def test_optimize_acqf_warns_on_second_opt_failure(self):
         message_1 = (
             "Optimization failed in `gen_candidates_scipy` with the following "
             "warning(s):\n[OptimizationWarning('Optimization failed within "
-            "`scipy.optimize.minimize` with status 2 and message "
-            "ABNORMAL_TERMINATION_IN_LNSRCH.')]\nTrying again with a new set "
-            "of initial conditions."
+            "`scipy.optimize.minimize` with status 2 and message ABNORMAL_TERMINATION"
+            "_IN_LNSRCH.')]\nTrying again with a new set of initial conditions."
         )
 
         message_2 = (