[GSK-3495] Remove eval_prompt parameter from hallucination tests

[henchaves]

Description

Hallucination tests, such as test_llm_output_coherency and test_llm_output_plausibility, have a eval_prompt parameter which is not used by the _BaseLLMEvaluator. These tests are trying to instantiate an evaluator passing this parameter, which outputs an error:

 Traceback (most recent call last):
  File "/Users/hchaves/GitHub/Giskard/giskard/giskard/core/suite.py", line 573, in run
    result = test_partial.giskard_test(**test_params).execute()
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/hchaves/GitHub/Giskard/giskard/giskard/registry/giskard_test.py", line 192, in execute
    return configured_validate_arguments(self.test_fn)(*self.args, **self.kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/hchaves/GitHub/Giskard/giskard/.venv/lib/python3.11/site-packages/pydantic/validate_call_decorator.py", line 59, in wrapper_function
    return validate_call_wrapper(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/hchaves/GitHub/Giskard/giskard/.venv/lib/python3.11/site-packages/pydantic/_internal/_validate_call.py", line 81, in __call__
    res = self.__pydantic_validator__.validate_python(pydantic_core.ArgsKwargs(args, kwargs))
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/hchaves/GitHub/Giskard/giskard/giskard/testing/tests/llm/hallucination.py", line 41, in test_llm_output_coherency
    passed=eval_result.passed,
            ^^^^^^^^^^^^^^^^^^^
TypeError: _BaseLLMEvaluator.__init__() got an unexpected keyword argument 'eval_prompt'

To fix that issue, this PR removes the eval_prompt from hallucination tests.

Related Issue

GSK-3495 (available on Linear)

Type of Change

• 📚 Examples / docs / tutorials / dependencies update
• 🔧 Bug fix (non-breaking change which fixes an issue)
• 🥂 Improvement (non-breaking change which improves an existing feature)
• 🚀 New feature (non-breaking change which adds functionality)
• 💥 Breaking change (fix or feature that would cause existing functionality to change)
• 🔐 Security fix

[linear]

GSK-3495 Unexpected keyword argument 'eval_prompt'

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
33.3% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud