Mock different channel closes (#1303) #356

Job	Run time
cross-compile-ios (x86_64-apple-ios, false)	5m 24s
cross-compile-android (aarch64-linux-android, false)	7m 15s
cross-compile-ios (x86_64-apple-ios, true)	6m 53s
cross-compile-android (aarch64-linux-android, true)	7m 1s
cross-compile-ios (aarch64-apple-ios, false)	4m 55s
cross-compile-android (armv7-linux-androideabi, false)	7m 21s
cross-compile-ios (aarch64-apple-ios, true)	5m 50s
cross-compile-android (armv7-linux-androideabi, true)	7m 9s
cross-compile-ios (aarch64-apple-ios-sim, false)	7m 16s
cross-compile-android (i686-linux-android, false)	6m 42s
cross-compile-ios (aarch64-apple-ios-sim, true)	5m 23s
cross-compile-android (i686-linux-android, true)	6m 51s
lipo-ios (false)	34s
lipo-ios (true)	37s
deploy-ios (false)	1m 33s
deploy-android (false)	45s
deploy-ios (true)	1m 33s
deploy-android (true)	31s
determine-branch	6s
build-docs	3m 13s
deploy-docs	10s
	1h 27m 2s

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