Fix flaky Windows FLAML test

[bpkroth]

FAILED mlos_core/mlos_core/tests/spaces/adapters/llamatune_test.py::test_llamatune_pipeline[8-special_param_values0-50] - ValueError: Configuration(values={
  'cont_0': 36.5714285714286,
  'cont_1': 6.530612244898,
  'cont_2': 33.9591836734694,
  'cont_3': 53.5510204081633,
  'cont_4': 31.3469387755102,
  'cont_5': 32.6530612244898,
  'cont_6': 62.6938775510204,
  'cont_7': 54.8571428571429,
  'cont_8': 27.4285714285714,
  'cont_9': 54.8571428571429,
  'int_0': 109,
  'int_1': 1,
  'int_2': 1,
  'int_3': 0,
  'int_4': -1,
  'int_5': 135,
  'int_6': 130,
  'int_7': 125,
  'int_8': 88,
  'int_9': 135,
  'str_0': 'option_3',
  'str_1': 'option_0',
  'str_2': 'option_4',
  'str_3': 'option_2',
  'str_4': 'option_4',
})
The above configuration was not suggested by the optimizer. Approximate reverse mapping is currently disabled; thus *only* configurations suggested previously by the optimizer can be registered.