gnucash maint: [test-trial-balance] initial commit

[Christopher Lam]

Updated	 via  https://github.com/Gnucash/gnucash/commit/525bcd39 (commit)
	from  https://github.com/Gnucash/gnucash/commit/c675b5b5 (commit)



commit 525bcd39ed434eab29316bcafdaf11cba250fda1
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Sat Sep 14 13:54:14 2019 +0800

    [test-trial-balance] initial commit
    
    this is not yet 100% coverage, but is adequate to test upcoming
    changes to adjusting and closing balance calculators.



Summary of changes:
 .../report/standard-reports/test/CMakeLists.txt    |   1 +
 .../standard-reports/test/test-trial-balance.scm   | 172 +++++++++++++++++++++
 2 files changed, 173 insertions(+)
 create mode 100644 gnucash/report/standard-reports/test/test-trial-balance.scm