pgsql: Fix invalid role names introduced in 096dd80f3c - Mailing list pgsql-committers

Fix invalid role names introduced in 096dd80f3c

096dd80f3c added new regression tests dealing with roles.  By oversight, role
names didn't start with regress_ prefix.  This commit fixes that.

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/beecbe8e5001249f0ad51f828d66238dd5160072

Modified Files
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.../expected/test_pg_db_role_setting.out           | 76 +++++++++++-----------
.../sql/test_pg_db_role_setting.sql                | 42 ++++++------
2 files changed, 59 insertions(+), 59 deletions(-)