@Test
public void verifyMappingIsCreatedWithNoOffset()
{

    // Given
    Period month1 = createMonthlyPeriod( 2020, 1 );
    Period month2 = createMonthlyPeriod( 2020, 2 );
    Period month3 = createMonthlyPeriod( 2020, 3 );
    Period q1 = createQuarterPeriod( 2020, 1 );
    DataQueryParams queryParams = DataQueryParams.newBuilder()
        .withPeriods( Lists.newArrayList( month1, month2, month3, q1 ) )
        .build();
    // When
    final ListMap<String, DimensionalItemObject> periodMap = PeriodOffsetUtils
        .getPeriodTypePeriodMap( queryParams );
    // Then
    assertThat( periodMap.size(), is( 2 ) );
    assertThat( periodMap.get( MonthlyPeriodType.NAME ), hasSize( 3 ) );
    assertThat( periodMap.get( QuarterlyPeriodType.NAME ), hasSize( 1 ) );
}