Feature/unit tests feedback

[siarheiyelin]

Issue link(if exists):

Description:

[github-actions]

Bundle size diff (in kBytes). Not gzipped. Both CSS & JS included.
Baseline: v5.0.0-alpha.0 (2023-04-21)
Generated by: track-bundle-size.
Generated at: Tue, 02 May 2023 14:25:55 GMT

Module	Baseline Size (v5.0.0-alpha.0)	Size	Diff	Within Threshold	Threshold (min - max)
templateApp	953.16	949.38	-3.78	🆗	857.84 - 1048.48
@epam/app	6393.81	6393.11	-0.69	🆗	5754.42 - 7033.19
@epam/draft-rte	101.91	101.9	-0.01	🆗	91.71 - 112.1
@epam/promo	156.67	154.73	-1.94	🆗	141 - 172.34
@epam/uui-extra	0.21	0.21	0	🆗	0.19 - 0.24
@epam/loveship	216.51	215.02	-1.48	🆗	194.85 - 238.16
@epam/uui-components	315.89	315.15	-0.73	🆗	284.3 - 347.47
@epam/uui-core	231.08	224.48	-6.6	🆗	207.98 - 254.19
@epam/uui-db	44.24	44.21	-0.03	🆗	39.81 - 48.66
@epam/uui-docs	102.04	100.03	-2.01	🆗	91.84 - 112.25
@epam/uui-editor	225.05	225.07	+0.02	🆗	202.55 - 247.56
@epam/uui-timeline	50.29	50.16	-0.13	🆗	45.26 - 55.32
@epam/uui	607.78	600.08	-7.7	🆗	547 - 668.56