test: Functional RTL for email report modal II

[lyndsiWilliams]

SUMMARY

Implements functional RTL testing for the email report modal

TESTING INSTRUCTIONS

• Report Modal
  • Navigate to the following location in your terminal: src/components/ReportModal/
  • Use the following command to observe the test suite: npm run test -t index.test.tsx
• Dashboard implementation
  • Navigate to the following location in your terminal: superset-frontend/src/dashboard/components/Header
  • Use the following command to observe the test suite: npm run test -t Header.test.tsx

ADDITIONAL INFORMATION

• Has associated issue:
• 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 #16148 (d6ec221) into master (3709131) will decrease coverage by 0.28%.
The diff coverage is 59.72%.

❗ Current head d6ec221 differs from pull request most recent head 1607fc6. Consider uploading reports for the commit 1607fc6 to get more accurate results

@@            Coverage Diff             @@
##           master   #16148      +/-   ##
==========================================
- Coverage   76.70%   76.42%   -0.29%     
==========================================
  Files         997     1000       +3     
  Lines       53240    53479     +239     
  Branches     6774     6815      +41     
==========================================
+ Hits        40838    40870      +32     
- Misses      12172    12373     +201     
- Partials      230      236       +6     

Flag	Coverage Δ
hive	?
javascript	70.88% <54.01%> (-0.08%)	⬇️
presto	?

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

Impacted Files	Coverage Δ
superset-frontend/src/common/components/index.tsx	100.00% <ø> (ø)
...rontend/src/dashboard/containers/DashboardPage.tsx	0.00% <0.00%> (ø)
...set-frontend/src/explore/actions/exploreActions.ts	36.20% <ø> (ø)
...ntend/src/explore/components/ExploreChartPanel.jsx	15.00% <0.00%> (ø)
...controls/DndColumnSelectControl/DndSelectLabel.tsx	77.27% <ø> (ø)
...ontrols/FilterControl/AdhocFilterControl/index.jsx	57.69% <ø> (ø)
.../FilterControl/AdhocFilterPopoverTrigger/index.tsx	80.76% <ø> (ø)
...ntrols/MetricControl/AdhocMetricPopoverTrigger.tsx	72.30% <ø> (ø)
...mponents/controls/MetricControl/MetricsControl.jsx	42.05% <ø> (ø)
superset-frontend/src/views/App.tsx	0.00% <ø> (ø)
... and 150 more

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