
PASS Event Path without ShadowRoots. 
PASS Event Path with an open ShadowRoot. 
PASS Event Path with a closed ShadowRoot. 
PASS Event Path with nested ShadowRoots: open > open. 
PASS Event Path with nested ShadowRoots: open > closed. 
PASS Event Path with nested ShadowRoots: closed > open. 
PASS Event Path with nested ShadowRoots: closed > closed. 
PASS Event Path with a slot in an open Shadow Root. 
PASS Event Path with a slot in a closed Shadow Root. 
PASS Event Path with slots in nested ShadowRoots: open > open. 
PASS Event Path with slots in nested ShadowRoots: closed > closed.