Avoid context dependency in test case added by 9a71989a8.

It's not quite clear to me why this didn't show up in my local
check-world testing, but some of the buildfarm evidently runs
this test with a different database name.  Adjust the test
so that that doesn't affect the reported error messages.

src/test/modules/unsafe_tests/expected/setconfig.out

@@ -63,18 +63,18 @@ SET ROLE NONE;
 DO $$BEGIN EXECUTE format(
 	'ALTER DATABASE %I RESET role', current_catalog); END$$;
 -- Test some error cases
+-- We have to use terse mode so that the database name doesn't
+-- appear in the error output.
+\set VERBOSITY terse
 DO $$BEGIN EXECUTE format(
 	'ALTER DATABASE %I SET bogus = 0', current_catalog); END$$;
 ERROR:  unrecognized configuration parameter "bogus"
-CONTEXT:  SQL statement "ALTER DATABASE contrib_regression SET bogus = 0"
-PL/pgSQL function inline_code_block line 1 at EXECUTE
 DO $$BEGIN EXECUTE format(
 	'ALTER DATABASE %I RESET bogus', current_catalog); END$$;
 ERROR:  unrecognized configuration parameter "bogus"
-CONTEXT:  SQL statement "ALTER DATABASE contrib_regression RESET bogus"
-PL/pgSQL function inline_code_block line 1 at EXECUTE
 ALTER USER regress_authenticated_user_db_ssa RESET bogus;
 ERROR:  unrecognized configuration parameter "bogus"
+\set VERBOSITY default
 -- Test connection string options
 \c -reuse-previous=on "user=regress_authenticated_user_db_sr options=-crole=regress_current_user"
 SELECT current_user, session_user;

src/test/modules/unsafe_tests/sql/setconfig.sql

@@ -51,12 +51,16 @@ DO $$BEGIN EXECUTE format(
 
 
 -- Test some error cases
+-- We have to use terse mode so that the database name doesn't
+-- appear in the error output.
 
+\set VERBOSITY terse
 DO $$BEGIN EXECUTE format(
 	'ALTER DATABASE %I SET bogus = 0', current_catalog); END$$;
 DO $$BEGIN EXECUTE format(
 	'ALTER DATABASE %I RESET bogus', current_catalog); END$$;
 ALTER USER regress_authenticated_user_db_ssa RESET bogus;
+\set VERBOSITY default
 
 
 -- Test connection string options