Add test showing differences between Rosmar and CB Server for the mul… #14864

Job	Run time
build	1m 24s
lint	1m 30s
addlicense	17s
test (windows)	4m 38s
test-race	6m 1s
test (ubuntu)	5m 10s
python-format	11s
test-sgcollect (macos-latest)	39s
test (macos)	4m 34s
python-lint	11s
test-default-collection	4m 47s
test-sgcollect (windows-latest)	3m 26s
test-stats-definition-exporter (windows-latest)	1m 7s
build cache perf tool	1m 11s
test-stats-definition-exporter (macos-latest)	27s
test-stats-definition-exporter (ubuntu-latest)	1m 15s
test-sgcollect (ubuntu-latest)	26s
	37m 14s

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