mod. added tester_deco to start and abort test.  Fix abort test to implement the necessary steps.

Change-Id: I50c838f1279bb64ade02508a8825398b35daf407
add. tester_deco to test_show_tag / fix logic.

Change-Id: I0773db0527941560a42f41d890a5b0e0245deb8d
add. tester deco to test_sync / fix logic.

Change-Id: I95382620d0c14ba32f042c1e8755e72827225731