Add unit tests for `uploadPayload` #10563

Job	Run time
check-codeql-versions	36s
analyze-other (actions)	49s
analyze-other (python)	57s
analyze-javascript (windows-2022)	5m 59s
analyze-javascript (windows-2022, linked)	6m 0s
analyze-javascript (ubuntu-24.04)	4m 16s
analyze-javascript (ubuntu-22.04)	4m 18s
analyze-javascript (ubuntu-24.04, linked)	4m 6s
analyze-javascript (ubuntu-22.04, linked)	3m 54s
analyze-javascript (windows-2025, linked)	5m 46s
analyze-javascript (macos-13)	9m 44s
analyze-javascript (macos-13, linked)	13m 17s
analyze-javascript (windows-2025)	6m 30s
analyze-javascript (macos-15, linked)	8m 22s
analyze-javascript (macos-15)	7m 52s
analyze-javascript (macos-14, linked)	4m 53s
analyze-javascript (macos-14)	7m 32s
	1h 34m 51s

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