TestE2ESync starts a real server process, registers user, pairs two devices, pushes a node op from client A, pulls on client B, verifies payload content, and confirms /api/auth/test does not create devices.
TestE2ESync starts a real server process, registers user, pairs two devices, pushes a node op from client A, pulls on client B, verifies payload content, and confirms /api/auth/test does not create devices.