[pgpool-committers: 8548] pgpool: Test: stabilize 018.detach_primary.

[Tatsuo Ishii]

Test: stabilize 018.detach_primary.

The test occasionally failed with timeout. The cause seems the test
proceeds before watchdog are ready.  So wait till watchdog is ready
using pcp_watchdog_info.

Branch
------
master

Details
-------
https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=ba58dc99d77f3b415399a59685c502ebcc3a005d

Modified Files
--------------
.../regression/tests/018.detach_primary/test.sh    | 34 +++++++++++++++++-----
1 file changed, 27 insertions(+), 7 deletions(-)