Add integration tests #962

Job	Run time
Build with ZTS	1m 50s
Test with embed	1m 46s
Build and Test (ubuntu-latest, 8.0, stable, 17, nts)	1m 55s
Build and Test (ubuntu-latest, 8.0, nightly, 17, nts)	1m 49s
Build and Test (ubuntu-latest, 8.1, stable, 17, nts)	1m 58s
Build and Test (ubuntu-latest, 8.1, nightly, 17, nts)	1m 41s
Build and Test (ubuntu-latest, 8.2, stable, 17, nts)	1m 54s
Build and Test (ubuntu-latest, 8.2, nightly, 17, nts)	1m 45s
Build and Test (ubuntu-latest, 8.3, stable, 17, nts)	1m 53s
Build and Test (ubuntu-latest, 8.3, nightly, 17, nts)	1m 56s
Build and Test (macos-latest, 8.0, stable, 15, nts)	1s
Build and Test (macos-latest, 8.0, nightly, 15, nts)	1s
Build and Test (macos-latest, 8.1, stable, 15, nts)	1s
Build and Test (macos-latest, 8.1, nightly, 15, nts)	1s
Build and Test (macos-latest, 8.2, stable, 15, nts)	1s
Build and Test (macos-latest, 8.2, nightly, 15, nts)	1s
Build and Test (macos-latest, 8.3, stable, 15, nts)	1s
Build and Test (macos-latest, 8.3, nightly, 15, nts)	1s
Build and Test (windows-latest, 8.0, nightly, 17, ts)	1m 33s
Build and Test (windows-latest, 8.0, nightly, 17, nts)	1m 36s
Build and Test (windows-latest, 8.1, nightly, 17, ts)	51s
Build and Test (windows-latest, 8.1, nightly, 17, nts)	57s
Build and Test (windows-latest, 8.2, nightly, 17, ts)	1s
Build and Test (windows-latest, 8.2, nightly, 17, nts)	28s
Build and Test (windows-latest, 8.3, nightly, 17, ts)	1s
Build and Test (windows-latest, 8.3, nightly, 17, nts)	1s
	24m 3s

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