Make Groovy global mocking more strict (#1848) #364

Job	Run time
build-and-verify (ubuntu-latest, 2.5, 8)	5m 4s
build-and-verify (ubuntu-latest, 2.5, 11)	4m 37s
build-and-verify (ubuntu-latest, 3.0, 8)	4m 43s
build-and-verify (ubuntu-latest, 3.0, 11)	5m 3s
build-and-verify (ubuntu-latest, 3.0, 17)	4m 53s
build-and-verify (ubuntu-latest, 3.0, 21)	3m 44s
build-and-verify (ubuntu-latest, 4.0, 8)	6m 52s
build-and-verify (ubuntu-latest, 4.0, 11)	5m 21s
build-and-verify (ubuntu-latest, 4.0, 17)	4m 31s
build-and-verify (ubuntu-latest, 4.0, 21)	4m 0s
build-and-verify (windows-latest, 2.5, 8)	6m 17s
build-and-verify (windows-latest, 3.0, 8)	6m 49s
build-and-verify (windows-latest, 4.0, 8)	6m 47s
build-and-verify (macos-latest, 2.5, 8)	9m 42s
build-and-verify (macos-latest, 3.0, 8)	10m 3s
build-and-verify (macos-latest, 4.0, 8)	7m 38s
release-spock	0s
publish-release-docs	0s
	1h 36m 4s

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