The test was previously using int; I shall be wanting to add tests
that exercise the bounds of qint64. Clean up the layout of the
test-row additions in the process of making a trivial change to them
all. Also const the QFETCH() types so we catch any use of non-const
methods on the values fetched.
Change-Id: I4b0187de71f5f14b39b4eabe8afd12a196f73d23
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>