Grant privileges only on TPCH tables in Redshift query runner

Granting privileges on all tables may cause unintended failures, as
temporary tables created in one test class may not have been fully
dropped or cleaned up from internal Redshift tables while other test
class executes grant privileges on all tables.

plugin/trino-redshift/src/test/java/io/trino/plugin/redshift/RedshiftQueryRunner.java

@@ -125,8 +125,9 @@ public DistributedQueryRunner build()
                 provisionTables(runner, initialTables);
 
                 // This step is necessary for product tests
-                executeInRedshiftWithRetry(format("GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA %s TO %s", TEST_SCHEMA, GRANTED_USER));
-
+                for (TpchTable<?> table : initialTables) {
+                    executeInRedshiftWithRetry(format("GRANT ALL PRIVILEGES ON TABLE %s.%s TO %s", TEST_SCHEMA, table.getTableName(), GRANTED_USER));
+                }
                 return runner;
             }
             catch (Throwable e) {