001_libpq_pipeline.pl: use Test::Differences if available
When one of these tests fails to match the trace, this better shows what
the problem is.
Discussion: https://postgr.es/m/20220617183150.ilgokxp22mzywnhh@alvherre.pgsql
Reviewed-by: Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>
Branch
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master
Details
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https://git.postgresql.org/pg/commitdiff/87e4f24d82939ef532b68f37fc66e6a48cff2cd9
Modified Files
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src/test/modules/libpq_pipeline/README | 3 +++
src/test/modules/libpq_pipeline/t/001_libpq_pipeline.pl | 15 ++++++++++++++-
2 files changed, 17 insertions(+), 1 deletion(-)