int bRow = 13;
int rCol = 6;
//exam whole column will be inefficient, only expand 5 cells to check
CellCacheAggeration.Builder builder = getCellCacheAggerationBuilder(tRow, lCol, bRow, rCol)
.expandDown(5);
CellCacheAggeration cache = builder.build();
mouseDirector.openCellContextMenu(tRow, lCol, bRow, rCol);
click(".z-menupopup:visible .zsmenu-insert");
click(".z-menupopup:visible .zsmenuitem-insertSheetColumn");
verifyInsert(Insert.CELL_RIGHT, cache, builder);