[FIX] Modify Snowflake parse_json macro usage #576

Job	Run time
integration (snowflake)	2m 17s
integration (bigquery)	2m 54s
integration (postgres)	1m 25s
single-run-different-versions (snowflake, 1_3_0)	1m 8s
single-run-different-versions (snowflake, 1_4_0)	1m 9s
single-run-different-versions (snowflake, 1_5_0)	1m 12s
single-run-different-versions (snowflake, 1_6_0)	1m 9s
single-run-different-versions (snowflake, 1_7_0)	1m 13s
single-run-different-versions (snowflake, 1_8_0)	1m 7s
single-run-different-versions (bigquery, 1_3_0)	1m 28s
single-run-different-versions (bigquery, 1_4_0)	1m 48s
single-run-different-versions (bigquery, 1_5_0)	1m 43s
single-run-different-versions (bigquery, 1_6_0)	1m 35s
single-run-different-versions (bigquery, 1_7_0)	2m 17s
single-run-different-versions (bigquery, 1_8_0)	1m 46s
single-run-different-versions (postgres, 1_3_0)	50s
single-run-different-versions (postgres, 1_4_0)	58s
single-run-different-versions (postgres, 1_5_0)	52s
single-run-different-versions (postgres, 1_6_0)	51s
single-run-different-versions (postgres, 1_7_0)	56s
single-run-different-versions (postgres, 1_8_0)	1m 0s
	29m 38s

Provide feedback