At least my macOS build had failed CppunitTest_sc_tabviewob now, as there
getSplitRow() returns 2 instead of 3.  Before
0bd57d62 "tdf#45904 Move Java _XViewSplitable
tests to C++" the original Java code only checked for non-zero, so keep it at
that for now.

Change-Id: Ia777bb27d0296507c73df170fff623d45cd55dca