1 Test overlap is rendered correctly when hovering over elements
3 Case 1, original layer tree:
19 (position 100.00 100.00)
20 (bounds 100.00 100.00)
24 (position 180.00 180.00)
25 (bounds 260.00 260.00)
34 Case 2: hovering over the "middle" element (causes that div to become its own composited layer)
36 (bounds 800.00 600.00)
39 (bounds 800.00 600.00)
48 (position 100.00 100.00)
49 (bounds 100.00 100.00)
55 (position 180.00 180.00)
56 (bounds 100.00 100.00)
60 (position 260.00 260.00)
61 (bounds 180.00 180.00)
70 Case 3: hovering over the "middle2" element (causes that div to become its own composited layer)
72 (bounds 800.00 600.00)
75 (bounds 800.00 600.00)
86 (position 100.00 100.00)
87 (bounds 100.00 100.00)
91 (position 180.00 180.00)
92 (bounds 100.00 100.00)
100 (position 260.00 260.00)
101 (bounds 100.00 100.00)
105 (position 340.00 340.00)
106 (bounds 100.00 100.00)
115 Case 4: hovering over the "top" element (causes that div to become its own composited layer)
117 (bounds 800.00 600.00)
120 (bounds 800.00 600.00)
131 (position 100.00 100.00)
132 (bounds 100.00 100.00)
136 (position 180.00 180.00)
137 (bounds 180.00 180.00)
143 (position 340.00 340.00)
144 (bounds 100.00 100.00)
151 Case 5: back to situation in case 1
153 (bounds 800.00 600.00)
156 (bounds 800.00 600.00)
167 (position 100.00 100.00)
168 (bounds 100.00 100.00)
172 (position 180.00 180.00)
173 (bounds 260.00 260.00)