[FLINK-36451][runtime] Makes hasLeadership and confirmLeadership work… #854

Job	Run time
Default (Java 11) / Compile	9m 44s
Pre-compile Checks / Basic QA	10m 33s
Default (Java 11) / E2E (group 1)	1h 25m 57s
Default (Java 11) / Test (module: core)	30m 18s
Default (Java 11) / E2E (group 2)	1h 47m 53s
Default (Java 11) / Test packaging/licensing	36m 43s
Default (Java 11) / Test (module: python)	29m 53s
Default (Java 11) / Test (module: table)	32m 12s
Default (Java 11) / Test (module: connect)	20m 48s
Default (Java 11) / Test (module: tests)	35m 52s
Default (Java 11) / Test (module: misc)	27m 4s
	7h 6m 57s

Provide feedback