test: Fixes act errors in AlteredSliceTag test

[michael-s-molina]

SUMMARY

This PR fixes 18 act errors in superset-frontend/src/components/AlteredSliceTag.test.tsx

TESTING INSTRUCTIONS

• Execute the component tests
• Observe that there are no act errors in the console

ADDITIONAL INFORMATION

• Has associated issue:
• Required feature flags:
• Changes UI
• Includes DB Migration (follow approval process in SIP-59)
  • Migration is atomic, supports rollback & is backwards-compatible
  • Confirm DB migration upgrade and downgrade tested
  • Runtime estimates and downtime expectations provided
• Introduces new feature or API
• Removes existing feature or API

[codecov]

Codecov Report

Merging #21392 (b0fd668) into master (0601b2d) will increase coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #21392      +/-   ##
==========================================
+ Coverage   66.61%   66.63%   +0.02%     
==========================================
  Files        1791     1791              
  Lines       68538    68559      +21     
  Branches     7310     7319       +9     
==========================================
+ Hits        45655    45685      +30     
+ Misses      21002    20982      -20     
- Partials     1881     1892      +11     

Flag	Coverage Δ
javascript	52.84% <ø> (+0.05%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...ard/components/DrillDetailPane/DrillDetailPane.tsx	81.01% <0.00%> (-1.75%)	⬇️
...rset-frontend/src/components/MetadataBar/index.tsx
...rontend/src/components/MetadataBar/MetadataBar.tsx	96.00% <0.00%> (ø)
...board/components/nativeFilters/FilterBar/index.tsx	65.94% <0.00%> (+5.79%)	⬆️
...rd/components/nativeFilters/FilterBar/keyValue.tsx	40.74% <0.00%> (+22.22%)	⬆️

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more