Fix tests.

Author: MKirova

projects/igniteui-angular/src/lib/grids/pivot-grid/pivot-grid.pipes.spec.ts

@@ -706,7 +706,7 @@ describe('Pivot pipes', () => {
         const rowPipeResult = rowPipe.transform(data, pivotConfig, expansionStates);
         const columnPipeResult = columnPipe.transform(rowPipeResult, pivotConfig, new Map<any, boolean>());
         const rowStatePipeResult = rowStatePipe.transform(columnPipeResult, pivotConfig, expansionStates);
-        expect(rowStatePipeResult.length).toEqual(44);
+        expect(rowStatePipeResult.length).toEqual(36);
         expect(rowStatePipeResult[0]['AllPeriods']).toEqual('All Periods');
         expect(rowStatePipeResult[0]['AllProducts']).toEqual('All');
         expect(rowStatePipeResult[0]['ProductCategory']).not.toBeDefined();

projects/igniteui-angular/src/lib/grids/pivot-grid/pivot-grid.pipes.ts

@@ -68,7 +68,7 @@ export class IgxPivotRowExpansionPipe implements PipeTransform {
             PivotUtil.flattenHierarchy(data, config, row, expansionStates, pivotKeys, totalLlv, prevDims, 0);
             prevDims.push(row);
         }
-        const finalData = data.filter(x => x[pivotKeys.records]);
+        const finalData = config.columnStrategy ? data : data.filter(x => x[pivotKeys.records]);
         this.cleanState(finalData, pivotKeys);
         return finalData;
     }