p1 open: false (should be false)
p2 open: false (should be false)
Opening p1
p1 open: true (should be true)
p2 open: false (should be false)
Opening p2
p1 open: true (should be true)
p2 open: true (should be true)
Clicking p2
p1 open: true (should be true)
p2 open: true (should be true)
Clicking p1
p1 open: true (should be true)
p2 open: false (should be false)
Clicking p1's show invoker
p1 open: true (should be true)
p2 open: false (should be false)
Clicking p1's toggle invoker
p1 open: false (should be false)
p2 open: false (should be false)
Re-opening both popovers
p1 open: true (should be true)
p2 open: true (should be true)
Clicking outside both popovers
p1 open: false (should be false)
p2 open: false (should be false)
