[pgpool-committers: 8556] 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
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V4_2_STABLE

Details
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https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=3107b6029e1f7040a6c0ca0b94c42b91e71c7b47

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