Fix FuzzTest to accommodate the update in callVariant

[zhuchcn]

Description

callVariant added some arguments since the last time fuzzTest was updated. Results are not expected to be changed.

Closes #...

Checklist

• This PR does NOT contain PHI or germline genetic data. A repo may need to be deleted if such data is uploaded. Disclosing PHI is a major problem.
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• I have added the major changes included in this pull request to the CHANGELOG.md under the next release version or unreleased, and updated the date.
• All test cases passed locally.