Fix cross-schema test to use a separate connection for the second user

Grant create type, create procedure, and unlimited tablespace to the
arunit user. Connect as arunit to create the type and grant execute,
avoiding ORA-01749 (cannot grant to yourself).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: yahonda

spec/plsql/procedure_spec.rb

@@ -2391,9 +2391,15 @@ def new_candidate(status)
     plsql.connect! CONNECTION_PARAMS
     @second_user = DATABASE_USERS_AND_PASSWORDS[1][0].upcase
 
-    # Create type in second schema and grant to current schema
-    plsql.execute "CREATE OR REPLACE TYPE #{@second_user}.t_cross_schema_record AS OBJECT (id NUMBER, name VARCHAR2(50))"
-    plsql.execute "GRANT EXECUTE ON #{@second_user}.t_cross_schema_record TO #{DATABASE_USERS_AND_PASSWORDS[0][0]}"
+    # Connect as second user to create type and grant execute to primary user
+    plsql2 = PLSQL::Schema.new
+    plsql2.connect! CONNECTION_PARAMS.merge(
+      username: DATABASE_USERS_AND_PASSWORDS[1][0],
+      password: DATABASE_USERS_AND_PASSWORDS[1][1]
+    )
+    plsql2.execute "CREATE OR REPLACE TYPE t_cross_schema_record AS OBJECT (id NUMBER, name VARCHAR2(50))"
+    plsql2.execute "GRANT EXECUTE ON t_cross_schema_record TO #{DATABASE_USERS_AND_PASSWORDS[0][0]}"
+    plsql2.logoff
 
     plsql.execute <<-SQL
       CREATE OR REPLACE FUNCTION test_cross_schema_fn(p_rec #{@second_user}.t_cross_schema_record)
@@ -2407,7 +2413,13 @@ def new_candidate(status)
 
   after(:all) do
     plsql.execute "DROP FUNCTION test_cross_schema_fn" rescue nil
-    plsql.execute "DROP TYPE #{@second_user}.t_cross_schema_record" rescue nil
+    plsql2 = PLSQL::Schema.new
+    plsql2.connect! CONNECTION_PARAMS.merge(
+      username: DATABASE_USERS_AND_PASSWORDS[1][0],
+      password: DATABASE_USERS_AND_PASSWORDS[1][1]
+    )
+    plsql2.execute "DROP TYPE t_cross_schema_record" rescue nil
+    plsql2.logoff
     plsql.logoff
   end
 

spec/support/create_arunit_user.sql

@@ -1,2 +1,5 @@
 create user arunit identified by arunit;
 grant create session to arunit;
+grant create type to arunit;
+grant create procedure to arunit;
+grant unlimited tablespace to arunit;