Debug flaky database in CI #2582

Job	Run time
javascript_test	28s
lint	19s
mongodb_test (gemfiles/mongoid_6.gemfile)	34s
postgres_test (gemfiles/rails_master.gemfile, 3.3, 1)	1m 50s
system_tests	1m 53s
mongodb_test (gemfiles/mongoid_7.gemfile)	43s
postgres_test (gemfiles/rails_7.1_postgresql.gemfile, 3.3)	1m 36s
test (Gemfile, 3.2)	1m 16s
test (Gemfile, 2.7)	1m 11s
test (gemfiles/rails_7.0.gemfile, 3.1)	16s
test (gemfiles/rails_master.gemfile, 3.2)	41s
test (gemfiles/rails_7.0.gemfile, 3.2)	18s
test (gemfiles/rails_7.1.gemfile, 3.3)	20s
test (gemfiles/rails_master.gemfile, 3.3, 1)	36s
test (gemfiles/rails_master.gemfile, 3.3, 1, 1)	40s
	12m 41s

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