gnucash maint: [utest-Transaction] add tests for xaccTransGetReadOnly

[Christopher Lam]

Updated	 via  https://github.com/Gnucash/gnucash/commit/128c8d6f (commit)
	from  https://github.com/Gnucash/gnucash/commit/e123d1be (commit)



commit 128c8d6f8864790ffe4bba9be2349d991fda4c8c
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Sat Sep 25 00:01:56 2021 +0800

    [utest-Transaction] add tests for xaccTransGetReadOnly



Summary of changes:
 libgnucash/engine/test/utest-Transaction.cpp | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)