chore(*): remove unused import

Author: nrobakova

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

@@ -14,9 +14,9 @@ import { IgxGridModule, GridSelectionMode } from './index';
 import { DisplayDensity } from '../../core/displayDensity';
 import { DataType } from '../../data-operations/data-util';
 import { GridTemplateStrings } from '../../test-utils/template-strings.spec';
-import { SampleTestData, DataParent } from '../../test-utils/sample-test-data.spec';
+import { SampleTestData } from '../../test-utils/sample-test-data.spec';
 import { BasicGridComponent } from '../../test-utils/grid-base-components.spec';
-import {  wait } from '../../test-utils/ui-interactions.spec';
+import { wait } from '../../test-utils/ui-interactions.spec';
 import { IgxStringFilteringOperand, IgxNumberFilteringOperand } from '../../data-operations/filtering-condition';
 import { SortingDirection } from '../../data-operations/sorting-expression.interface';
 import { configureTestSuite } from '../../test-utils/configure-suite';

projects/igniteui-angular/src/lib/test-utils/grid-functions.spec.ts

@@ -1029,7 +1029,6 @@ export class GridFunctions {
         GridFunctions.clickPagingButton(parent, 3);
     }
 }
-
 export class GridSummaryFunctions {
     public static verifyColumnSummariesBySummaryRowIndex(fix, rowIndex: number, summaryIndex: number, summaryLabels, summaryResults) {
         const summaryRow = GridSummaryFunctions.getSummaryRowByDataRowIndex(fix, rowIndex);
@@ -1121,7 +1120,6 @@ export class GridSummaryFunctions {
             resolve();
         })
 }
-
 export class GridSelectionFunctions {
     public static selectCellsRange =
         (fix, startCell, endCell, ctrl = false, shift = false) => new Promise(async (resolve, reject) => {