RDKTV-35344: Dynamic mounts are failing to unmount #154

Job	Run time
Build in Release Mode (RUN_TESTS)	3m 3s
Build in Release Mode (-DLEGACY_COMPONENTS=ON)	2m 23s
Build in Release Mode (-DLEGACY_COMPONENTS=OFF)	2m 51s
Build in Release Mode (-DUSE_SYSTEMD=ON)	1m 57s
Build in Release Mode (-DUSE_SYSTEMD=OFF)	2m 9s
Build in Release Mode (-DDOBBY_HIBERNATE_MEMCR_IMPL=ON -DDOBBY_HIBERNATE_MEMCR_PARAMS_ENABLED=OFF)	2m 13s
Build in Release Mode (-DDOBBY_HIBERNATE_MEMCR_IMPL=ON -DDOBBY_HIBERNATE_MEMCR_PARAMS_ENABLED=ON)	1m 57s
Build in Release Mode (-DDOBBY_HIBERNATE_MEMCR_IMPL=OFF)	2m 0s
Build in Debug Mode (RUN_TESTS)	2m 36s
Build in Debug Mode (-DLEGACY_COMPONENTS=ON)	2m 6s
Build in Debug Mode (-DLEGACY_COMPONENTS=OFF)	1m 48s
Build in Debug Mode (-DUSE_SYSTEMD=ON)	1m 39s
Build in Debug Mode (-DUSE_SYSTEMD=OFF)	1m 48s
Build in Debug Mode (-DDOBBY_HIBERNATE_MEMCR_IMPL=ON -DDOBBY_HIBERNATE_MEMCR_PARAMS_ENABLED=OFF)	1m 52s
Build in Debug Mode (-DDOBBY_HIBERNATE_MEMCR_IMPL=ON -DDOBBY_HIBERNATE_MEMCR_PARAMS_ENABLED=ON)	1m 45s
Build in Debug Mode (-DDOBBY_HIBERNATE_MEMCR_IMPL=OFF)	1m 47s
	33m 54s

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