Describe your changes:

Fixes

I worked on ... because ...

Type of change:

• Bug fix
• Improvement
• New feature
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation

Checklist:

• I have read the CONTRIBUTING document.
• My PR title is Fixes <issue-number>: <short explanation>
• I have commented on my code, particularly in hard-to-understand areas.
• For JSON Schema changes: I updated the migration scripts or explained why it is not needed.

Summary by Gitar

• Test selector updates:
  • Replaced testid selectors with accessible role-based queries for filter buttons and export buttons in impact analysis and lineage tests
  • Updated entity search index mappings to use suffixed format (e.g., table → table_search_index)
• Test reliability fixes:
  • Changed Impact Analysis tab selector from role: 'tab' to role: 'button'
  • Added redirectToHomePage() calls in beforeEach hooks for lineage test suites

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