OutsideSqlOption result = invokerAssistant.assistFirstOutsideSqlOption(null);
        assertNull(result);
    }

    // Test assistFirstOutsideSqlOption with empty table name
    public void test_assistFirstOutsideSqlOption_emptyTableName() {
        OutsideSqlOption result = invokerAssistant.assistFirstOutsideSqlOption("");
        assertNull(result);
    }

    // Test assistFirstOutsideSqlOption with valid table name