Merge pull request #4241 from esl/muc-suite-fix-init-per-group #1082

Job	Run time
edoc on OTP 25.2	2m 20s
dialyzer on OTP 25.2	4m 47s
internal_mnesia on OTP 26.1.2	19m 27s
dynamic domains pgsql_mnesia on OTP 26.1.2	18m 41s
pgsql_mnesia on OTP 26.1.2	22m 1s
dynamic domains mysql_redis on OTP 26.1.2	17m 49s
mysql_redis on OTP 26.1.2	22m 10s
odbc_mssql_mnesia on OTP 26.1.2	23m 15s
dynamic domains odbc_mssql_mnesia on OTP 26.1.2	20m 38s
small_tests on OTP 25.3.2.6	7m 59s
centos_7 package	5m 38s
ldap_mnesia on OTP 26.1.2	17m 42s
dynamic domains pgsql_mnesia on OTP 25.3.2.6	18m 32s
small_tests on OTP 26.1.2	8m 10s
ubuntu_xenial package	5m 46s
elasticsearch_and_cassandra_mnesia on OTP 26.1.2	6m 37s
ldap_mnesia on OTP 25.3.2.6	17m 27s
pgsql_mnesia on OTP 25.3.2.6	22m 2s
xref on OTP 25.2	2m 6s
coveralls_webhook	0s
	4h 23m 7s

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