TestTypingRespectsExtensionScope/Can_limit_by_list_in_an_incremental_sync flake

[DMRobertson]

E.g. https://github.com/matrix-org/sliding-sync/actions/runs/5002045944/jobs/8961515049?pr=116#step:7:1140

      typing_test.go:246: Alice creates rooms 3 and 4. Bob joins both.
      typing_test.go:251: room3=!MiDMNUBogsPopZEYYO:synapse room4=!gFSBMUDEKWueFhaZIG:synapse
      typing_test.go:253: Bob types in rooms 3 and 4
      typing_test.go:257: Alice incremental syncs until she sees Bob typing in room 4.
      typing_test.go:258: She a window containing all rooms, and a narrower window containing last-named room only.
      typing_test.go:259: She requests typing notifications in the narrow window only.
      typing_test.go:260: She should not see Bob typing in room 3 at any point.
      typing_test.go:261: SlidingSyncUntil: tested response but it failed with: MatchTyping: no typing extension
      typing_test.go:261: SlidingSyncUntil: tested response but it failed with: MatchTyping: no typing extension
      typing_test.go:261: SlidingSyncUntil: tested response but it failed with: MatchTyping: no typing extension
      typing_test.go:261: SlidingSyncUntil: tested response but it failed with: MatchTyping: no typing extension
      typing_test.go:261: SlidingSyncUntil: tested response but it failed with: MatchTyping: no typing extension
      typing_test.go:261: SlidingSyncUntil: tested response but it failed with: MatchTyping: no typing extension
      typing_test.go:261: SlidingSyncUntil: tested response but it failed with: MatchTyping: no typing extension
      typing_test.go:261: SlidingSyncUntil: tested response but it failed with: MatchTyping: no typing extension
      typing_test.go:261: SlidingSyncUntil: tested response but it failed with: MatchTyping: no typing extension
      typing_test.go:261: SlidingSyncUntil: tested response but it failed with: MatchTyping: no typing extension
      typing_test.go:261: SlidingSyncUntil: tested response but it failed with: MatchTyping: no typing extension
      typing_test.go:261: SlidingSyncUntil: tested response but it failed with: MatchTyping: no typing extension
      typing_test.go:261: SlidingSyncUntil: tested response but it failed with: MatchTyping: no typing extension
      typing_test.go:261: SlidingSyncUntil: tested response but it failed with: MatchTyping: no typing extension
      typing_test.go:261: SlidingSyncUntil: tested response but it failed with: MatchTyping: no typing extension
      typing_test.go:261: SlidingSyncUntil: tested response but it failed with: MatchTyping: no typing extension
      typing_test.go:261: SlidingSyncUntil: tested response but it failed with: MatchTyping: no typing extension
      typing_test.go:261: SlidingSyncUntil: tested response but it failed with: MatchTyping: no typing extension
      typing_test.go:261: SlidingSyncUntil: tested response but it failed with: MatchTyping: no typing extension
      typing_test.go:261: SlidingSyncUntil: tested response but it failed with: MatchTyping: no typing extension
      typing_test.go:261: SlidingSyncUntil: tested response but it failed with: MatchTyping: no typing extension
      typing_test.go:261: SlidingSyncUntil: tested response but it failed with: MatchTyping: no typing extension
      typing_test.go:261: SlidingSyncUntil: timed out

[DMRobertson]

TestAccountDataRespectsExtensionScope failed at the top level in https://github.com/matrix-org/sliding-sync/actions/runs/5737902566/job/15550837053?pr=237

Err, that is a completely different test. Ignore.