drop schema after test

Author: olirice

nix/tests/expected/plpgsql-check.out

@@ -29,3 +29,7 @@ select * from plpgsql_check_function('v.f1()');
  Context: SQL expression "r.c"
 (2 rows)
 
+drop schema v cascade;
+NOTICE:  drop cascades to 2 other objects
+DETAIL:  drop cascades to table v.t1
+drop cascades to function v.f1()

nix/tests/sql/plpgsql-check.sql

@@ -22,3 +22,5 @@ select * from v.f1();
 
 -- use plpgsql_check_function to check the function for errors
 select * from plpgsql_check_function('v.f1()');
+
+drop schema v cascade;