bugfix: load azure client in unit tests #745

Job	Run time
ci / check if job needs to run	5s
ci / prepare test matrix	11s
ci / MOODLE_400_STABLE - pgsql - php 7.3 - tool_objectfs	3m 49s
ci / MOODLE_401_STABLE - pgsql - php 7.4 - tool_objectfs	5m 24s
ci / MOODLE_310_STABLE - pgsql - php 7.2 - tool_objectfs	3m 42s
ci / MOODLE_401_STABLE - mariadb - php 7.4 - tool_objectfs	6m 7s
ci / MOODLE_311_STABLE - mariadb - php 7.3 - tool_objectfs	3m 59s
ci / MOODLE_401_STABLE - pgsql - php 8.0 - tool_objectfs	6m 2s
ci / MOODLE_401_STABLE - mariadb - php 8.0 - tool_objectfs	6m 25s
ci / MOODLE_402_STABLE - pgsql - php 8.0 - tool_objectfs	5m 21s
ci / MOODLE_402_STABLE - mariadb - php 8.0 - tool_objectfs	5m 56s
ci / MOODLE_402_STABLE - pgsql - php 8.1 - tool_objectfs	5m 19s
ci / MOODLE_402_STABLE - mariadb - php 8.1 - tool_objectfs	6m 3s
ci / Release to the Moodle plugin directory	0s
	58m 23s

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