Filter Row UI test fails sporadically

[DiyanDimitrov]

Verify condition chips are scrolled into/(out of) view by using arrow buttons.
IgxGrid - Filtering Row UI actions #grid
Error: Expected false to be true, 'chip[0] visibility is incorrect'.
at Jasmine
at verifyChipVisibility (http://localhost:9876/_karma_webpack_/src/lib/grids/grid/grid-filtering-ui.spec.ts:6436:10)
at verifyMultipleChipsVisibility (http://localhost:9876/_karma_webpack_/src/lib/grids/grid/grid-filtering-ui.spec.ts:6419:9)
at http://localhost:9876/_karma_webpack_/src/lib/grids/grid/grid-filtering-ui.spec.ts:2956:13