public function testGetViewFiters()
 {
     // Without inheritance
     $f1 = $this->_reportService->getViewFilters(ReportModel::CONSUMPTION_DETAIL_DAILY);
     $n1 = count($f1);
     $this->assertGreaterThan(0, $n1);
     // One level inheritance
     $f2 = $this->_reportService->getViewFilters(ReportModel::EXPENSE_DETAIL_DAILY);
     $n2 = count($f2);
     $this->assertGreaterThan($n1, $n2);
     // Two levels inheritance
     $f3 = $this->_reportService->getViewFilters(ReportModel::EXPENSE_DETAIL_MONTHLY);
     $this->assertEquals($n2, count($f3));
 }