Fix and polish seed warnings in tests (#5822) #3733

Job	Run time
changes	9s
test-dbt-versions (1.5)	1m 37s
test-dbt-versions (1.3)	1m 42s
test-dbt-versions (1.6)	1m 48s
test-dbt-versions (1.4)	1m 39s
test-dbt-versions (1.10)	1m 44s
test-dbt-versions (1.9)	1m 50s
test-dbt-versions (1.8)	1m 41s
test-dbt-versions (1.7)	1m 50s
test-vscode-e2e	0s
test-vscode	0s
doc-tests	32s
cicd-tests-windows	9m 52s
style-and-cicd-tests (3.9)	23m 35s
ui-test	1m 25s
style-and-cicd-tests (3.11)	24m 8s
style-and-cicd-tests (3.13)	23m 15s
style-and-cicd-tests (3.12)	22m 45s
engine-tests-docker (mysql)	1m 41s
engine-tests-docker (starrocks)	2m 38s
engine-tests-docker (trino)	8m 25s
style-and-cicd-tests (3.10)	23m 18s
engine-tests-docker (spark)	5m 28s
engine-tests-docker (duckdb)	1m 42s
migration-test	1m 38s
engine-tests-docker (mssql)	1m 59s
engine-tests-docker (postgres)	2m 11s
engine-tests-docker (clickhouse)	3m 39s
engine-tests-docker (risingwave)	2m 41s
ui-style	0s
engine-tests-cloud (clickhouse-cloud)	10m 30s
engine-tests-cloud (athena)	20m 0s
engine-tests-cloud (gcp-postgres)	3m 25s
engine-tests-cloud (snowflake)	8m 41s
engine-tests-cloud (databricks)	11m 32s
engine-tests-cloud (redshift)	6m 53s
engine-tests-cloud (bigquery)	15m 57s
engine-tests-cloud (fabric)	5m 2s
	4h 16m 52s

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