The hosted runner: GitHub Actions 919 lost communication with the server. Anything in your workflow that terminates the runner process, starves it for CPU/Memory, or blocks its network access can cause this error.

testLaunch, Failed to get background assertion for target app with pid 9516: Timed out while acquiring background assertion.

testSizes, Failed to get background assertion for target app with pid 9680: Timed out while acquiring background assertion.

testStartStopHide, Failed to get background assertion for target app with pid 9684: Timed out while acquiring background assertion.

testLaunch, Failed to get background assertion for target app with pid 9694: Timed out while acquiring background assertion.

testSizes, Failed to get background assertion for target app with pid 9928: Timed out while acquiring background assertion.

testStartStopHide, Failed to get background assertion for target app with pid 10359: Timed out while acquiring background assertion.

testLaunch, Failed to get background assertion for target app with pid 10385: Timed out while acquiring background assertion.

testLaunch, Failed to get background assertion for target app with pid 10420: Timed out while acquiring background assertion.

testLaunch, Failed to get background assertion for target app with pid 10827: Timed out while acquiring background assertion.

testPresences, Failed to get background assertion for target app with pid 11093: Timed out while acquiring background assertion.

SwiftLint not installed, download from https://github.com/realm/SwiftLint

SwiftLint not installed, download from https://github.com/realm/SwiftLint

xcbeautify 2.4.1 is already installed and up-to-date. To reinstall 2.4.1, run: brew reinstall xcbeautify