fix: Flaky E2E tests

[geido]

SUMMARY

This PR attempts to fix some of the most recent flaky E2E tests of high and medium severity.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

N.A.

TESTING INSTRUCTIONS

All E2E tests should pass

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 #22152 (786f779) into master (394fb2f) will increase coverage by 13.81%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           master   #22152       +/-   ##
===========================================
+ Coverage   53.22%   67.03%   +13.81%     
===========================================
  Files        1833     1836        +3     
  Lines       69935    70294      +359     
  Branches     7571     7683      +112     
===========================================
+ Hits        37221    47121     +9900     
+ Misses      30755    21184     -9571     
- Partials     1959     1989       +30     

Flag	Coverage Δ
hive	52.60% <ø> (ø)
javascript	54.01% <ø> (+0.22%)	⬆️
postgres	78.19% <ø> (?)
presto	52.49% <ø> (?)
python	81.34% <ø> (+28.74%)	⬆️
sqlite	76.65% <ø> (?)
unit	50.89% <ø> (?)

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

Impacted Files	Coverage Δ
...ts/nativeFilters/FilterBar/ActionButtons/index.tsx	80.95% <0.00%> (-6.55%)	⬇️
...board/components/nativeFilters/FilterBar/index.tsx	58.37% <0.00%> (-2.06%)	⬇️
...et-frontend/src/components/TableView/TableView.tsx	83.69% <0.00%> (-0.62%)	⬇️
...frontend/src/components/DatabaseSelector/index.tsx	92.30% <0.00%> (-0.23%)	⬇️
...nd/src/components/DropdownSelectableIcon/index.tsx	100.00% <0.00%> (ø)
...rd/components/nativeFilters/FilterBar/Vertical.tsx	72.91% <0.00%> (ø)
.../components/nativeFilters/FilterBar/Horizontal.tsx	100.00% <0.00%> (ø)
...ers/FilterBar/FilterBarOrientationSelect/index.tsx	92.85% <0.00%> (ø)
superset/config.py	91.84% <0.00%> (+0.62%)	⬆️
superset/views/database/views.py	31.36% <0.00%> (+0.90%)	⬆️
... and 335 more

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

[michael-s-molina]

LGTM

[jinghua-qa]

LGTM