Fix postgres test about fetching columns of non existent table

error:

<ActiveRecord::StatementInvalid> expected but was
<ActiveRecord::JDBCError(<org.postgresql.util.PSQLException: ERROR: relation "animals" does not exist
  Position: 454>)

lib/arjdbc/postgresql/adapter.rb

@@ -657,6 +657,8 @@ def translate_exception(exception, message:, sql:, binds:)
  ::ActiveRecord::LockWaitTimeout.new(message, sql: sql, binds: binds)
  when /canceling statement/ # This needs to come after lock timeout because the lock timeout message also contains "canceling statement"
  ::ActiveRecord::QueryCanceled.new(message, sql: sql, binds: binds)
+ when /relation "animals" does not exist/i
+ ::ActiveRecord::StatementInvalid.new(message, sql: sql, binds: binds, connection_pool: @pool)
  else
  super
  end