Combine multiple expectations into one for shared system note example

This takes about 3 minutes on CI. Times below are local:

Baseline

Finished in 1 minute 34.66 seconds (files took 5.57 seconds to load)
330 examples, 0 failures

Combine all shared example expectations into one

Finished in 43.14 seconds (files took 5.05 seconds to load)
132 examples, 0 failures