SNOW-1167007: Validate no null values for not null cols #1974

Job	Run time
Build & Test - Windows, JDK 8, Cloud AWS	1h 4m 55s
Build & Test - Windows, JDK 8, Cloud AWS	1h 4m 55s
E2E JAR Test - 8, Cloud AWS	1m 31s
E2E JAR Test - 8, Cloud AWS	1m 31s
Build & Test - Windows, JDK 8, Cloud AZURE	53m 37s
Build & Test - Windows, JDK 8, Cloud AZURE	53m 37s
Build & Test - JDK 8, Cloud AWS	1h 3m 48s
Build & Test - JDK 8, Cloud AWS	1h 3m 48s
E2E JAR Test - 8, Cloud AZURE	1m 16s
E2E JAR Test - 8, Cloud AZURE	1m 16s
Build & Test - Windows, JDK 8, Cloud GCP	1h 0m 3s
Build & Test - Windows, JDK 8, Cloud GCP	1h 0m 3s
Build & Test - JDK 8, Cloud AZURE	49m 28s
Build & Test - JDK 8, Cloud AZURE	49m 28s
E2E JAR Test - 8, Cloud GCP	1m 19s
E2E JAR Test - 8, Cloud GCP	1m 19s
Build & Test - JDK 8, Cloud GCP	57m 14s
Build & Test - JDK 8, Cloud GCP	53m 21s
	11h 42m 29s

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