@Test
public void testMutationUpdateMissingRowReplaceColumns() throws Exception {
Column c1 = newColumn("testcol1", "value999");
Column c2 = newColumn("testcol2", "value9999");
String rec = "record-6";
RecordMutation rm = newRecordMutation(REPLACE_COLUMNS, FAMILY, rec, c1, c2);
Record r = updateAndFetchRecord("row-6", rec, rm);
assertNotNull("record should exist", r);
assertEquals("only 2 columns in record", 2, r.getColumnsSize());
assertTrue("column 1 should be in record", r.columns.contains(c1));