[sravani-revuri]

What changes were proposed in this pull request?

addition of UI tests for the Heatmap page in Ozone Recon.

What is the link to the Apache JIRA

https://issues.apache.org/jira/browse/HDDS-9796

How was this patch tested?

Ran test.

 ✓ src/__tests__/heatmap/HeatmapPlot.test.tsx > HeatmapPlot tooltips > shows size, access count, and entity name for a leaf tile (hover tooltip content) 6ms
 ✓ src/__tests__/heatmap/HeatmapPlot.test.tsx > HeatmapPlot tooltips > shows max access count for a non-leaf group tile (hover tooltip content) 1ms
 ✓ src/__tests__/heatmap/HeatmapPlot.test.tsx > HeatmapPlot tooltips > uses entity type in chart title 1ms
 ✓ src/__tests__/heatmap/Heatmap.test.tsx > Heatmap page > renders header, filters, legend, and heatmap plot with data 66ms
 ✓ src/__tests__/heatmap/Heatmap.test.tsx > Heatmap page > shows validation error for invalid path characters 71ms
 ✓ src/__tests__/heatmap/Heatmap.test.tsx > Heatmap page > fetches heatmap for a new path when the user searches 47ms
 ✓ src/__tests__/heatmap/Heatmap.test.tsx > Heatmap page > does not fetch when searching with an empty path 69ms
 ✓ src/__tests__/heatmap/Heatmap.test.tsx > Heatmap page > drills down into the clicked entity and updates the path input 17ms
 ✓ src/__tests__/heatmap/Heatmap.test.tsx > Heatmap page > refetches heatmap when the entity type is changed 180ms
 ✓ src/__tests__/heatmap/Heatmap.test.tsx > Heatmap page > refetches heatmap when the time period is changed 176ms
 ✓ src/__tests__/heatmap/Heatmap.test.tsx > Heatmap page > shows no data warning when the API returns empty labels 39ms
 ✓ src/__tests__/heatmap/Heatmap.test.tsx > Heatmap page > shows disabled state when heatmap API returns 404 6ms
 ✓ src/__tests__/heatmap/Heatmap.test.tsx > Heatmap page > shows fetch error state when heatmap API returns 500 9ms

 Test Files  2 passed (2)
      Tests  13 passed (13)
   Start at  19:39:47
   Duration  2.74s (transform 129ms, setup 163ms, import 2.33s, tests 690ms, environment 620ms)

[sravani-revuri]

@chihsuan would you like to review this?