Update code owners of tests #9087

Job	Run time
Build Ballerina Lang	7m 13s
Build Ballerina Lang	7m 13s
Build Stdlib Level (10)	5m 16s
Build Stdlib Level (10)	5m 16s
Build Stdlib Level (1)	3m 52s
Build Stdlib Level (1)	3m 52s
Build Ballerina Distribution	51m 53s
Build Ballerina Distribution	50m 59s
Build Stdlib Level (2)	15m 13s
Build Stdlib Level (2)	15m 13s
Build Stdlib Level (3)	5m 2s
Build Stdlib Level (3)	9m 8s
Build Stdlib Level (4)	14m 48s
Build Stdlib Level (4)	14m 48s
Build Stdlib Level (5)	7m 21s
Build Stdlib Level (5)	7m 21s
Build Stdlib Level (6)	35m 10s
Build Stdlib Level (6)	35m 10s
Build Stdlib Level (7)	18m 6s
Build Stdlib Level (7)	18m 6s
Build Stdlib Level (8)	30m 19s
Build Stdlib Level (8)	30m 19s
Build Stdlib Level (9)	58m 22s
Build Stdlib Level (9)	58m 22s
	8h 28m 22s

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