ins2.type = SuggestionCompletionEngine.TYPE_NUMERIC;
cols.add(ins2);
RuleModel rm = new RuleModel();
p.doActions(2, cols, row, rm);
assertEquals(3, rm.rhs.length);
//examine the set field action that is produced
ActionSetField a1 = (ActionSetField) rm.rhs[0];
assertEquals("a", a1.variable);