Merge pull request #4195 from esl/fix-muc_light_rooms-id-key-on-maria-db #1057

Job	Run time
dialyzer on OTP 25.2	5m 0s
internal_mnesia on OTP 26.1.2	19m 20s
dynamic domains pgsql_mnesia on OTP 26.1.2	18m 20s
edoc on OTP 25.2	2m 16s
pgsql_mnesia on OTP 26.1.2	21m 8s
dynamic domains mysql_redis on OTP 26.1.2	17m 48s
mysql_redis on OTP 26.1.2	21m 5s
dynamic domains odbc_mssql_mnesia on OTP 26.1.2	20m 31s
odbc_mssql_mnesia on OTP 26.1.2	22m 58s
centos_7 package	5m 7s
ldap_mnesia on OTP 26.1.2	16m 50s
ubuntu_xenial package	4m 51s
small_tests on OTP 25.3.2.6	7m 26s
elasticsearch_and_cassandra_mnesia on OTP 26.1.2	7m 0s
small_tests on OTP 26.1.2	8m 5s
dynamic domains pgsql_mnesia on OTP 25.3.2.6	18m 9s
ldap_mnesia on OTP 25.3.2.6	17m 28s
pgsql_mnesia on OTP 25.3.2.6	20m 50s
xref on OTP 25.2	1m 57s
coveralls_webhook	0s
	4h 16m 9s

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