fix: ProductUnion interface added #947

Job	Run time
Running Automated Tests w/ WPBrowser in WordPress v6.3 on PHP8.1	3m 13s
Running Automated Tests w/ WPBrowser in WordPress v6.2 on PHP8.1 with HPOS activated	3m 42s
Running Automated Tests w/ WPBrowser in WordPress v6.1 on PHP8.1 in Debug Mode	4m 19s
Running Automated Tests w/ WPBrowser in WordPress v6.0 on PHP8.1	3m 32s
Running Automated Tests w/ WPBrowser in WordPress v6.3 on PHP8.0	4m 18s
Running Automated Tests w/ WPBrowser in WordPress v6.2 on PHP8.0 with HPOS activated	3m 17s
Running Automated Tests w/ WPBrowser in WordPress v6.1 on PHP8.0	3m 35s
Running Automated Tests w/ WPBrowser in WordPress v6.0 on PHP8.0	3m 22s
Running Automated Tests w/ WPBrowser in WordPress v6.3 on PHP7.4	6m 24s
Running Automated Tests w/ WPBrowser in WordPress v6.2 on PHP7.4 with HPOS activated with Codecoverage	19m 57s
Running Automated Tests w/ WPBrowser in WordPress v6.1 on PHP7.4	8m 8s
Running Automated Tests w/ WPBrowser in WordPress v6.0 on PHP7.4	5m 52s
	1h 9m 39s

Provide feedback