Fix test broken by r23192

The test in question was working around the ref-counting bug;
removed the workaround.

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@23203 57a11ea4-9604-0410-9ed3-97b8803252fd
Convert - in filenames to _ for function names

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@23204 57a11ea4-9604-0410-9ed3-97b8803252fd
Remove ancient if-0'd code from libqof

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@23205 57a11ea4-9604-0410-9ed3-97b8803252fd
Remove ancient if-0'd code from backends

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@23206 57a11ea4-9604-0410-9ed3-97b8803252fd
Work around quote change in assertion messages

glib-2.38 changed the leading quote from ` to ', e.g.
"assertion `foo' failed" to "assertion 'foo' failed".

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@23207 57a11ea4-9604-0410-9ed3-97b8803252fd
Remove ancient #if-0'd code from Engine

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@23208 57a11ea4-9604-0410-9ed3-97b8803252fd