Null chack for failing tests #63

Job	Run time
Generate Version Upgrade Tests	5s
Run Version Upgrade Test for 13_6-14_6-target_latest	19m 30s
Run Version Upgrade Test for 13_9-14_6-target_latest	17m 49s
Run Version Upgrade Test for 14_3-14_6-target_latest	22m 58s
Run Version Upgrade Test for source_latest-target_latest	29m 12s
Run Version Upgrade Test for 14_5-14_6-target_latest	19m 20s
Run Version Upgrade Test for 14_6-target_latest	18m 7s
Run Version Upgrade Test for 14_12-target_latest	19m 28s
Run Version Upgrade Test for 14_14-target_latest	18m 11s
Run Version Upgrade Test for 15_2-target_latest	18m 43s
Run Version Upgrade Test for 15_9-target_latest	22m 5s
Run Version Upgrade Test for 16_1-target_latest	25m 25s
Run Version Upgrade Test for 16_2-target_latest	27m 24s
Run Version Upgrade Test for 16_4-target_latest	25m 32s
Run Version Upgrade Test for 13_6-14_14-15_9-target_latest with server-collation - chinese_prc_ci_as	22m 49s
Run Version Upgrade Test for 14_6-target_latest with server-collation - chinese_prc_ci_as	18m 51s
Run Version Upgrade Test for 15_9-target_latest with server-collation - chinese_prc_ci_as	22m 28s
Run Version Upgrade Test for 15_9-target_latest with server-collation - japanese_ci_as	22m 16s
Run Version Upgrade Test for 15_5-15_9-target_latest with server-collation - chinese_prc_ci_as	22m 32s
Run Version Upgrade Test for 16_1-target_latest with server-collation - chinese_prc_ci_as	26m 19s
	6h 59m 4s

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