.dataset(EXPENSE_REPORTS)
.group(COLUMN_DATE).fixed(QUARTER, true)
.column(COLUMN_DATE, "Period")
.column(COUNT, "Occurrences")
.column(COLUMN_AMOUNT, SUM, "totalAmount")
<BUG>.buildLookup().cloneInstance());
assertDataSetValues(result, dataSetFormatter, new String[][]{</BUG>
{"1", "14.00", "6,222.32"},
{"2", "17.00", "7,678.27"},
{"3", "9.00", "3,499.64"},

.dataset(EXPENSE_REPORTS)
.group(COLUMN_DATE).fixed(QUARTER, true)
.column(COLUMN_DATE, "Period")
.column(COUNT, "Occurrences")
.column(COLUMN_AMOUNT, SUM, "totalAmount")
.buildLookup());
assertDataSetValues(result, dataSetFormatter, new String[][]{
{"1", "14.00", "6,222.32"},
{"2", "17.00", "7,678.27"},
{"3", "9.00", "3,499.64"},
