Wrapped connection_error_called by socket's strand. #1372

Job	Run time
linux (0)	10m 54s
macos (-DMQTT_TEST_1=ON -DMQTT_TEST_2=ON -DMQTT_TEST_3=OFF -DMQTT_TEST_4=OFF -DMQTT_TEST_5=OFF ...	25m 26s
linux (1)	23m 42s
macos (-DMQTT_TEST_1=OFF -DMQTT_TEST_2=OFF -DMQTT_TEST_3=ON -DMQTT_TEST_4=ON -DMQTT_TEST_5=OFF ...	11m 6s
linux (2)	12m 2s
macos (-DMQTT_TEST_1=ON -DMQTT_TEST_2=OFF -DMQTT_TEST_3=OFF -DMQTT_TEST_4=OFF -DMQTT_TEST_5=ON ...	8m 57s
linux (3)	18m 59s
macos (-DMQTT_TEST_1=OFF -DMQTT_TEST_2=OFF -DMQTT_TEST_3=OFF -DMQTT_TEST_4=OFF -DMQTT_TEST_5=OFF ...	8m 39s
linux (4)	29m 45s
macos (-DMQTT_TEST_1=OFF -DMQTT_TEST_2=OFF -DMQTT_TEST_3=OFF -DMQTT_TEST_4=OFF -DMQTT_TEST_5=OFF ...	5m 46s
linux (5)	25m 5s
linux (6)	31m 18s
linux (7)	26m 35s
	3h 58m 14s

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