Modified search wiki test

[HalberdOfPineapple]

Description

Modified the test tests_search_wiki_with_ambiguity by directly setting expected_output to be the summary of entity New York (state). By doing this, this test can test whether the function does find the correct term and accurately check the summary content.

Motivation and Context

Why is this change required? What problem does it solve?
close #260

• I have raised an issue to propose this change (required for new features and bug fixes)

Types of changes

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• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds core functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation (update in the documentation)
• Example (update in the folder of example)

Implemented Tasks

• Subtask 1
• Subtask 2
• Subtask 3

Checklist

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• I have read the CONTRIBUTION guide. (required)
• My change requires a change to the documentation.
• I have updated the tests accordingly. (required for a bug fix or a new feature)
• I have updated the documentation accordingly.

[dandansamax]

Excellent!

[lightaime]

Thanks @MorphlingEd. LGTM!