Mock different channel closes (#1303) #355

Job	Run time
cross-compile-ios (x86_64-apple-ios, false)	5m 24s
cross-compile-android (aarch64-linux-android, false)	7m 8s
cross-compile-ios (x86_64-apple-ios, true)	5m 4s
cross-compile-android (aarch64-linux-android, true)	6m 58s
cross-compile-ios (aarch64-apple-ios, false)	6m 20s
cross-compile-android (armv7-linux-androideabi, false)	7m 21s
cross-compile-ios (aarch64-apple-ios, true)	7m 45s
cross-compile-android (armv7-linux-androideabi, true)	7m 2s
cross-compile-ios (aarch64-apple-ios-sim, false)	6m 17s
cross-compile-android (i686-linux-android, false)	6m 44s
cross-compile-ios (aarch64-apple-ios-sim, true)	6m 36s
cross-compile-android (i686-linux-android, true)	6m 34s
lipo-ios (false)	29s
lipo-ios (true)	41s
deploy-ios (false)	1m 14s
deploy-android (false)	44s
deploy-ios (true)	1s
deploy-android (true)	1s
determine-branch	0s
build-docs	0s
deploy-docs	0s
	1h 22m 23s

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