[Backport 2.13] Fix flaky testGeoHexGridBucket #1249

Job	Run time
Build and Test geospatial Plugin (11, windows-latest)	3m 48s
Build and Test geospatial Plugin (11, windows-latest)	3m 48s
Build and Test geospatial Plugin (11, macos-latest)	9m 27s
Build and Test geospatial Plugin (11, macos-latest)	9m 27s
Build and Test geospatial Plugin (17, windows-latest)	3m 46s
Build and Test geospatial Plugin (17, windows-latest)	3m 46s
Build and Test geospatial Plugin (17, macos-latest)	4m 27s
Build and Test geospatial Plugin (17, macos-latest)	4m 27s
Build and Test geospatial Plugin (21, windows-latest)	3m 43s
Build and Test geospatial Plugin (21, windows-latest)	3m 43s
Build and Test geospatial Plugin (21, macos-latest)	5m 59s
Build and Test geospatial Plugin (21, macos-latest)	5m 59s
Get-CI-Image-Tag / Get-CI-Image-Tag	9s
Get-CI-Image-Tag / Get-CI-Image-Tag	9s
Build and Test geospatial Plugin (11)	4m 5s
Build and Test geospatial Plugin (11)	4m 11s
Build and Test geospatial Plugin (17)	3m 55s
Build and Test geospatial Plugin (17)	4m 8s
Build and Test geospatial Plugin (21)	4m 0s
Build and Test geospatial Plugin (21)	4m 6s
	1h 27m 3s

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