Thread: pgsql: Allow drop-index-concurrently-1 test to run at any isolation lev

Allow drop-index-concurrently-1 test to run at any isolation level.

It previously reported failure at REPEATABLE READ and SERIALIZABLE
transaction isolation levels for make installcheck.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/31a877f18bdf60dd1dfe92e7502469ed4c40d75b

Modified Files
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.../expected/drop-index-concurrently-1.out         |    6 ++-
.../expected/drop-index-concurrently-1_2.out       |   42 ++++++++++++++++++++
.../isolation/specs/drop-index-concurrently-1.spec |    7 +++-
3 files changed, 52 insertions(+), 3 deletions(-)