pgsql: Change the LOG level in 040_standby_failover_slots_sync.pl to DE

Change the LOG level in 040_standby_failover_slots_sync.pl to DEBUG2.

Temporarily change the log level of 040_standby_failover_slots_sync.pl to
DEBUG2. This is to get more information about BF failures. We will reset
it back to default once the tests are stabilized.

Author: Hou Zhijie
Reviewed-by: Amit Kapila
Discussion: https://postgr.es/m/514f6f2f-6833-4539-39f1-96cd1e011f23@enterprisedb.com
Discussion: https://postgr.es/m/OS0PR01MB571633C23B2A4CAC5FB0371A944C2@OS0PR01MB5716.jpnprd01.prod.outlook.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/d9e225f275b7d27e6d2b196f5c528f9ad8a39abf

Modified Files
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src/test/recovery/t/040_standby_failover_slots_sync.pl | 13 +++++++++++++
1 file changed, 13 insertions(+)