Added aria-live='polite' to results table. #12152

Job	Run time
Core Basic (18.x)	6m 46s
Core Content (18.x)	3m 26s
Core Basic (20.x)	7m 16s
Core Content (20.x)	3m 19s
Core Control Panels (18.x)	4m 8s
Core Basic - Plone 5 (18.x)	7m 9s
Core Control Panels (20.x)	4m 24s
Core Blocks (18.x)	7m 24s
Core Blocks (20.x)	7m 22s
Core Blocks - Listing (18.x)	5m 2s
Coresandbox (18.x)	4m 9s
Core Blocks - Listing (20.x)	5m 0s
Core Volto Slate (18.x)	7m 14s
Core Volto Slate (20.x)	7m 4s
Working Copy (18.x)	3m 32s
Project Generator (18.x)	5m 27s
Multilingual (18.x)	3m 13s
Project Generator (20.x)	5m 33s
Multilingual in Seamless Mode (18.x)	3m 39s
Seamless Mode (18.x)	7m 9s
	1h 48m 16s

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