pgsql: pg_stat_statements: Add test coverage for pg_stat_statements_res

pg_stat_statements: Add test coverage for pg_stat_statements_reset_1_7

Run pg_stat_statements_reset() once while the appropriate extension
version is installed.

Reviewed-by: Michael Paquier <michael@paquier.xyz>
Discussion: https://www.postgresql.org/message-id/flat/40d1e4f2-835f-448f-a541-8ff5db75bf3d@eisentraut.org

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/3e527aeeedb0bbbb2388365147ab00cd0f55dfc4

Modified Files
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contrib/pg_stat_statements/expected/oldextversions.out | 12 ++++++++++++
contrib/pg_stat_statements/sql/oldextversions.sql      |  2 ++
2 files changed, 14 insertions(+)