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